638533584

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1794

約数の個数: 160

約数和(自身を含む): 2004455040

約数和(自身を除く): 1365921456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 67, 72, 78, 104, 108, 117, 134, 144, 156, 201, 208, 216, 234, 268, 312, 351, 402, 432, 468, 536, 603, 624, 702, 804, 871, 936, 1072, 1206, 1404, 1608, 1697, 1742, 1809, 1872, 2412, 2613, 2808, 3216, 3394, 3484, 3618, 4824, 5091, 5226, 5616, 6788, 6968, 7236, 7839, 9648, 10182, 10452, 13576, 13936, 14472, 15273, 15678, 20364, 20904, 22061, 23517, 27152, 28944, 30546, 31356, 40728, 41808, 44122, 45819, 47034, 61092, 62712, 66183, 81456, 88244, 91638, 94068, 113699, 122184, 125424, 132366, 176488, 183276, 188136, 198549, 227398, 244368, 264732, 341097, 352976, 366552, 376272, 397098, 454796, 529464, 595647, 682194, 733104, 794196, 909592, 1023291, 1058928, 1191294, 1364388, 1478087, 1588392, 1819184, 2046582, 2382588, 2728776, 2956174, 3069873, 3176784, 4093164, 4434261, 4765176, 5457552, 5912348, 6139746, 8186328, 8868522, 9530352, 11824696, 12279492, 13302783, 16372656, 17737044, 23649392, 24558984, 26605566, 35474088, 39908349, 49117968, 53211132, 70948176, 79816698, 106422264, 159633396, 212844528, 319266792, 638533584]

約数ペア:

[(1, 638533584), (2, 319266792), (3, 212844528), (4, 159633396), (6, 106422264), (8, 79816698), (9, 70948176), (12, 53211132), (13, 49117968), (16, 39908349), (18, 35474088), (24, 26605566), (26, 24558984), (27, 23649392), (36, 17737044), (39, 16372656), (48, 13302783), (52, 12279492), (54, 11824696), (67, 9530352), (72, 8868522), (78, 8186328), (104, 6139746), (108, 5912348), (117, 5457552), (134, 4765176), (144, 4434261), (156, 4093164), (201, 3176784), (208, 3069873), (216, 2956174), (234, 2728776), (268, 2382588), (312, 2046582), (351, 1819184), (402, 1588392), (432, 1478087), (468, 1364388), (536, 1191294), (603, 1058928), (624, 1023291), (702, 909592), (804, 794196), (871, 733104), (936, 682194), (1072, 595647), (1206, 529464), (1404, 454796), (1608, 397098), (1697, 376272), (1742, 366552), (1809, 352976), (1872, 341097), (2412, 264732), (2613, 244368), (2808, 227398), (3216, 198549), (3394, 188136), (3484, 183276), (3618, 176488), (4824, 132366), (5091, 125424), (5226, 122184), (5616, 113699), (6788, 94068), (6968, 91638), (7236, 88244), (7839, 81456), (9648, 66183), (10182, 62712), (10452, 61092), (13576, 47034), (13936, 45819), (14472, 44122), (15273, 41808), (15678, 40728), (20364, 31356), (20904, 30546), (22061, 28944), (23517, 27152)]