28128816

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 89280000

約数和(自身を除く): 61151184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 27, 36, 38, 46, 48, 54, 57, 69, 72, 76, 92, 108, 114, 138, 144, 149, 152, 171, 184, 207, 216, 228, 276, 298, 304, 342, 368, 414, 432, 437, 447, 456, 513, 552, 596, 621, 684, 828, 874, 894, 912, 1026, 1104, 1192, 1242, 1311, 1341, 1368, 1656, 1748, 1788, 2052, 2384, 2484, 2622, 2682, 2736, 2831, 3312, 3427, 3496, 3576, 3933, 4023, 4104, 4968, 5244, 5364, 5662, 6854, 6992, 7152, 7866, 8046, 8208, 8493, 9936, 10281, 10488, 10728, 11324, 11799, 13708, 15732, 16092, 16986, 20562, 20976, 21456, 22648, 23598, 25479, 27416, 30843, 31464, 32184, 33972, 41124, 45296, 47196, 50958, 54832, 61686, 62928, 64368, 65113, 67944, 76437, 82248, 92529, 94392, 101916, 123372, 130226, 135888, 152874, 164496, 185058, 188784, 195339, 203832, 246744, 260452, 305748, 370116, 390678, 407664, 493488, 520904, 586017, 611496, 740232, 781356, 1041808, 1172034, 1222992, 1480464, 1562712, 1758051, 2344068, 3125424, 3516102, 4688136, 7032204, 9376272, 14064408, 28128816]

約数ペア:

[(1, 28128816), (2, 14064408), (3, 9376272), (4, 7032204), (6, 4688136), (8, 3516102), (9, 3125424), (12, 2344068), (16, 1758051), (18, 1562712), (19, 1480464), (23, 1222992), (24, 1172034), (27, 1041808), (36, 781356), (38, 740232), (46, 611496), (48, 586017), (54, 520904), (57, 493488), (69, 407664), (72, 390678), (76, 370116), (92, 305748), (108, 260452), (114, 246744), (138, 203832), (144, 195339), (149, 188784), (152, 185058), (171, 164496), (184, 152874), (207, 135888), (216, 130226), (228, 123372), (276, 101916), (298, 94392), (304, 92529), (342, 82248), (368, 76437), (414, 67944), (432, 65113), (437, 64368), (447, 62928), (456, 61686), (513, 54832), (552, 50958), (596, 47196), (621, 45296), (684, 41124), (828, 33972), (874, 32184), (894, 31464), (912, 30843), (1026, 27416), (1104, 25479), (1192, 23598), (1242, 22648), (1311, 21456), (1341, 20976), (1368, 20562), (1656, 16986), (1748, 16092), (1788, 15732), (2052, 13708), (2384, 11799), (2484, 11324), (2622, 10728), (2682, 10488), (2736, 10281), (2831, 9936), (3312, 8493), (3427, 8208), (3496, 8046), (3576, 7866), (3933, 7152), (4023, 6992), (4104, 6854), (4968, 5662), (5244, 5364)]