31841290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 63086688

約数和(自身を除く): 31245398

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 169, 227, 338, 415, 454, 830, 845, 1079, 1135, 1690, 2158, 2270, 2951, 5395, 5902, 10790, 14027, 14755, 18841, 28054, 29510, 37682, 38363, 70135, 76726, 94205, 140270, 188410, 191815, 244933, 383630, 489866, 1224665, 2449330, 3184129, 6368258, 15920645, 31841290]

約数ペア:

[(1, 31841290), (2, 15920645), (5, 6368258), (10, 3184129), (13, 2449330), (26, 1224665), (65, 489866), (83, 383630), (130, 244933), (166, 191815), (169, 188410), (227, 140270), (338, 94205), (415, 76726), (454, 70135), (830, 38363), (845, 37682), (1079, 29510), (1135, 28054), (1690, 18841), (2158, 14755), (2270, 14027), (2951, 10790), (5395, 5902)]