645448768

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2879}}^1$

素因数の和:3035

約数の個数: 56

約数和(自身を含む): 1334292480

約数和(自身を除く): 688843712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 113, 124, 226, 248, 452, 496, 904, 992, 1808, 1984, 2879, 3503, 3616, 5758, 7006, 7232, 11516, 14012, 23032, 28024, 46064, 56048, 89249, 92128, 112096, 178498, 184256, 224192, 325327, 356996, 650654, 713992, 1301308, 1427984, 2602616, 2855968, 5205232, 5711936, 10085137, 10410464, 20170274, 20820928, 40340548, 80681096, 161362192, 322724384, 645448768]

約数ペア:

[(1, 645448768), (2, 322724384), (4, 161362192), (8, 80681096), (16, 40340548), (31, 20820928), (32, 20170274), (62, 10410464), (64, 10085137), (113, 5711936), (124, 5205232), (226, 2855968), (248, 2602616), (452, 1427984), (496, 1301308), (904, 713992), (992, 650654), (1808, 356996), (1984, 325327), (2879, 224192), (3503, 184256), (3616, 178498), (5758, 112096), (7006, 92128), (7232, 89249), (11516, 56048), (14012, 46064), (23032, 28024)]