81740204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 189665280

約数和(自身を除く): 107925076

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 53, 76, 91, 106, 133, 182, 212, 223, 247, 266, 364, 371, 446, 494, 532, 689, 742, 892, 988, 1007, 1378, 1484, 1561, 1729, 2014, 2756, 2899, 3122, 3458, 4028, 4237, 4823, 5798, 6244, 6916, 7049, 8474, 9646, 11596, 11819, 13091, 14098, 16948, 19292, 20293, 23638, 26182, 28196, 29659, 40586, 47276, 52364, 55081, 59318, 81172, 82733, 91637, 110162, 118636, 153647, 165466, 183274, 220324, 224561, 307294, 330932, 366548, 385567, 449122, 614588, 771134, 898244, 1075529, 1542268, 1571927, 2151058, 2919293, 3143854, 4302116, 5838586, 6287708, 11677172, 20435051, 40870102, 81740204]

約数ペア:

[(1, 81740204), (2, 40870102), (4, 20435051), (7, 11677172), (13, 6287708), (14, 5838586), (19, 4302116), (26, 3143854), (28, 2919293), (38, 2151058), (52, 1571927), (53, 1542268), (76, 1075529), (91, 898244), (106, 771134), (133, 614588), (182, 449122), (212, 385567), (223, 366548), (247, 330932), (266, 307294), (364, 224561), (371, 220324), (446, 183274), (494, 165466), (532, 153647), (689, 118636), (742, 110162), (892, 91637), (988, 82733), (1007, 81172), (1378, 59318), (1484, 55081), (1561, 52364), (1729, 47276), (2014, 40586), (2756, 29659), (2899, 28196), (3122, 26182), (3458, 23638), (4028, 20293), (4237, 19292), (4823, 16948), (5798, 14098), (6244, 13091), (6916, 11819), (7049, 11596), (8474, 9646)]