643170688

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:1019

約数の個数: 64

約数和(自身を含む): 1318615200

約数和(自身を除く): 675444512

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 113, 128, 212, 226, 424, 452, 839, 848, 904, 1678, 1696, 1808, 3356, 3392, 3616, 5989, 6712, 6784, 7232, 11978, 13424, 14464, 23956, 26848, 44467, 47912, 53696, 88934, 94807, 95824, 107392, 177868, 189614, 191648, 355736, 379228, 383296, 711472, 758456, 766592, 1422944, 1516912, 2845888, 3033824, 5024771, 5691776, 6067648, 10049542, 12135296, 20099084, 40198168, 80396336, 160792672, 321585344, 643170688]

約数ペア:

[(1, 643170688), (2, 321585344), (4, 160792672), (8, 80396336), (16, 40198168), (32, 20099084), (53, 12135296), (64, 10049542), (106, 6067648), (113, 5691776), (128, 5024771), (212, 3033824), (226, 2845888), (424, 1516912), (452, 1422944), (839, 766592), (848, 758456), (904, 711472), (1678, 383296), (1696, 379228), (1808, 355736), (3356, 191648), (3392, 189614), (3616, 177868), (5989, 107392), (6712, 95824), (6784, 94807), (7232, 88934), (11978, 53696), (13424, 47912), (14464, 44467), (23956, 26848)]