90985648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 197612352

約数和(自身を除く): 106626704

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 71, 101, 104, 122, 142, 202, 208, 244, 284, 404, 488, 568, 793, 808, 923, 976, 1136, 1313, 1586, 1616, 1846, 2626, 3172, 3692, 4331, 5252, 6161, 6344, 7171, 7384, 8662, 10504, 12322, 12688, 14342, 14768, 17324, 21008, 24644, 28684, 34648, 49288, 56303, 57368, 69296, 80093, 93223, 98576, 112606, 114736, 160186, 186446, 225212, 320372, 372892, 437431, 450424, 640744, 745784, 874862, 900848, 1281488, 1491568, 1749724, 3499448, 5686603, 6998896, 11373206, 22746412, 45492824, 90985648]

約数ペア:

[(1, 90985648), (2, 45492824), (4, 22746412), (8, 11373206), (13, 6998896), (16, 5686603), (26, 3499448), (52, 1749724), (61, 1491568), (71, 1281488), (101, 900848), (104, 874862), (122, 745784), (142, 640744), (202, 450424), (208, 437431), (244, 372892), (284, 320372), (404, 225212), (488, 186446), (568, 160186), (793, 114736), (808, 112606), (923, 98576), (976, 93223), (1136, 80093), (1313, 69296), (1586, 57368), (1616, 56303), (1846, 49288), (2626, 34648), (3172, 28684), (3692, 24644), (4331, 21008), (5252, 17324), (6161, 14768), (6344, 14342), (7171, 12688), (7384, 12322), (8662, 10504)]