331484920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637471}}^1$

素因数の和:637495

約数の個数: 32

約数和(自身を含む): 803214720

約数和(自身を除く): 471729800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 637471, 1274942, 2549884, 3187355, 5099768, 6374710, 8287123, 12749420, 16574246, 25498840, 33148492, 41435615, 66296984, 82871230, 165742460, 331484920]

約数ペア:

[(1, 331484920), (2, 165742460), (4, 82871230), (5, 66296984), (8, 41435615), (10, 33148492), (13, 25498840), (20, 16574246), (26, 12749420), (40, 8287123), (52, 6374710), (65, 5099768), (104, 3187355), (130, 2549884), (260, 1274942), (520, 637471)]