668296304

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 90

約数和(自身を含む): 1446342696

約数和(自身を除く): 778046392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 71, 104, 118, 142, 169, 208, 236, 284, 338, 472, 568, 676, 767, 923, 944, 1136, 1352, 1534, 1846, 2704, 3068, 3481, 3692, 4189, 6136, 6962, 7384, 8378, 9971, 11999, 12272, 13924, 14768, 16756, 19942, 23998, 27848, 33512, 39884, 45253, 47996, 54457, 55696, 67024, 79768, 90506, 95992, 108914, 159536, 181012, 191984, 217828, 247151, 362024, 435656, 494302, 588289, 707941, 724048, 871312, 988604, 1176578, 1415882, 1977208, 2353156, 2831764, 3212963, 3954416, 4706312, 5663528, 6425926, 9412624, 11327056, 12851852, 25703704, 41768519, 51407408, 83537038, 167074076, 334148152, 668296304]

約数ペア:

[(1, 668296304), (2, 334148152), (4, 167074076), (8, 83537038), (13, 51407408), (16, 41768519), (26, 25703704), (52, 12851852), (59, 11327056), (71, 9412624), (104, 6425926), (118, 5663528), (142, 4706312), (169, 3954416), (208, 3212963), (236, 2831764), (284, 2353156), (338, 1977208), (472, 1415882), (568, 1176578), (676, 988604), (767, 871312), (923, 724048), (944, 707941), (1136, 588289), (1352, 494302), (1534, 435656), (1846, 362024), (2704, 247151), (3068, 217828), (3481, 191984), (3692, 181012), (4189, 159536), (6136, 108914), (6962, 95992), (7384, 90506), (8378, 79768), (9971, 67024), (11999, 55696), (12272, 54457), (13924, 47996), (14768, 45253), (16756, 39884), (19942, 33512), (23998, 27848)]