49900890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127951}}^1$

素因数の和:127974

約数の個数: 32

約数和(自身を含む): 128975616

約数和(自身を除く): 79074726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 127951, 255902, 383853, 639755, 767706, 1279510, 1663363, 1919265, 3326726, 3838530, 4990089, 8316815, 9980178, 16633630, 24950445, 49900890]

約数ペア:

[(1, 49900890), (2, 24950445), (3, 16633630), (5, 9980178), (6, 8316815), (10, 4990089), (13, 3838530), (15, 3326726), (26, 1919265), (30, 1663363), (39, 1279510), (65, 767706), (78, 639755), (130, 383853), (195, 255902), (390, 127951)]