81322696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6571}}^1$

素因数の和:6614

約数の個数: 64

約数和(自身を含む): 198737280

約数和(自身を除く): 117414584

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 6571, 12376, 13142, 26284, 45997, 52568, 85423, 91994, 111707, 170846, 183988, 223414, 341692, 367976, 446828, 597961, 683384, 781949, 893656, 1195922, 1452191, 1563898, 2391844, 2904382, 3127796, 4783688, 5808764, 6255592, 10165337, 11617528, 20330674, 40661348, 81322696]

約数ペア:

[(1, 81322696), (2, 40661348), (4, 20330674), (7, 11617528), (8, 10165337), (13, 6255592), (14, 5808764), (17, 4783688), (26, 3127796), (28, 2904382), (34, 2391844), (52, 1563898), (56, 1452191), (68, 1195922), (91, 893656), (104, 781949), (119, 683384), (136, 597961), (182, 446828), (221, 367976), (238, 341692), (364, 223414), (442, 183988), (476, 170846), (728, 111707), (884, 91994), (952, 85423), (1547, 52568), (1768, 45997), (3094, 26284), (6188, 13142), (6571, 12376)]