31544890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 61399296

約数和(自身を除く): 29854406

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 563, 862, 1126, 2155, 2815, 4310, 5603, 5630, 7319, 11206, 14638, 28015, 36595, 56030, 73190, 242653, 485306, 1213265, 2426530, 3154489, 6308978, 15772445, 31544890]

約数ペア:

[(1, 31544890), (2, 15772445), (5, 6308978), (10, 3154489), (13, 2426530), (26, 1213265), (65, 485306), (130, 242653), (431, 73190), (563, 56030), (862, 36595), (1126, 28015), (2155, 14638), (2815, 11206), (4310, 7319), (5603, 5630)]