291278312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{18797}}^1$

素因数の和:18965

約数の個数: 32

約数和(自身を含む): 592137000

約数和(自身を除く): 300858688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 7748, 15496, 18797, 37594, 75188, 150376, 244361, 488722, 977444, 1954888, 2800753, 5601506, 11203012, 22406024, 36409789, 72819578, 145639156, 291278312]

約数ペア:

[(1, 291278312), (2, 145639156), (4, 72819578), (8, 36409789), (13, 22406024), (26, 11203012), (52, 5601506), (104, 2800753), (149, 1954888), (298, 977444), (596, 488722), (1192, 244361), (1937, 150376), (3874, 75188), (7748, 37594), (15496, 18797)]