90771512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 105183688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 247, 284, 494, 568, 647, 923, 988, 1294, 1349, 1846, 1976, 2588, 2698, 3692, 5176, 5396, 7384, 8411, 10792, 12293, 16822, 17537, 24586, 33644, 35074, 45937, 49172, 67288, 70148, 91874, 98344, 140296, 159809, 183748, 319618, 367496, 597181, 639236, 872803, 1194362, 1278472, 1745606, 2388724, 3491212, 4777448, 6982424, 11346439, 22692878, 45385756, 90771512]

約数ペア:

[(1, 90771512), (2, 45385756), (4, 22692878), (8, 11346439), (13, 6982424), (19, 4777448), (26, 3491212), (38, 2388724), (52, 1745606), (71, 1278472), (76, 1194362), (104, 872803), (142, 639236), (152, 597181), (247, 367496), (284, 319618), (494, 183748), (568, 159809), (647, 140296), (923, 98344), (988, 91874), (1294, 70148), (1349, 67288), (1846, 49172), (1976, 45937), (2588, 35074), (2698, 33644), (3692, 24586), (5176, 17537), (5396, 16822), (7384, 12293), (8411, 10792)]