647958064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1458

約数の個数: 80

約数和(自身を含む): 1435463680

約数和(自身を除く): 787505616

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 127, 152, 208, 247, 254, 304, 494, 508, 988, 1016, 1291, 1651, 1976, 2032, 2413, 2582, 3302, 3952, 4826, 5164, 6604, 9652, 10328, 13208, 16783, 19304, 20656, 24529, 26416, 31369, 33566, 38608, 49058, 62738, 67132, 98116, 125476, 134264, 163957, 196232, 250952, 268528, 318877, 327914, 392464, 501904, 637754, 655828, 1275508, 1311656, 2131441, 2551016, 2623312, 3115183, 4262882, 5102032, 6230366, 8525764, 12460732, 17051528, 24921464, 34103056, 40497379, 49842928, 80994758, 161989516, 323979032, 647958064]

約数ペア:

[(1, 647958064), (2, 323979032), (4, 161989516), (8, 80994758), (13, 49842928), (16, 40497379), (19, 34103056), (26, 24921464), (38, 17051528), (52, 12460732), (76, 8525764), (104, 6230366), (127, 5102032), (152, 4262882), (208, 3115183), (247, 2623312), (254, 2551016), (304, 2131441), (494, 1311656), (508, 1275508), (988, 655828), (1016, 637754), (1291, 501904), (1651, 392464), (1976, 327914), (2032, 318877), (2413, 268528), (2582, 250952), (3302, 196232), (3952, 163957), (4826, 134264), (5164, 125476), (6604, 98116), (9652, 67132), (10328, 62738), (13208, 49058), (16783, 38608), (19304, 33566), (20656, 31369), (24529, 26416)]