1243948550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{21503}}^1$

素因数の和:21617

約数の個数: 48

約数和(自身を含む): 2519838720

約数和(自身を除く): 1275890170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 325, 445, 650, 890, 1157, 2225, 2314, 4450, 5785, 11570, 21503, 28925, 43006, 57850, 107515, 215030, 279539, 537575, 559078, 1075150, 1397695, 1913767, 2795390, 3827534, 6988475, 9568835, 13976950, 19137670, 24878971, 47844175, 49757942, 95688350, 124394855, 248789710, 621974275, 1243948550]

約数ペア:

[(1, 1243948550), (2, 621974275), (5, 248789710), (10, 124394855), (13, 95688350), (25, 49757942), (26, 47844175), (50, 24878971), (65, 19137670), (89, 13976950), (130, 9568835), (178, 6988475), (325, 3827534), (445, 2795390), (650, 1913767), (890, 1397695), (1157, 1075150), (2225, 559078), (2314, 537575), (4450, 279539), (5785, 215030), (11570, 107515), (21503, 57850), (28925, 43006)]