28571530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 55657728

約数和(自身を除く): 27086198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 811, 1355, 1622, 2710, 3523, 4055, 7046, 8110, 10543, 17615, 21086, 35230, 52715, 105430, 219781, 439562, 1098905, 2197810, 2857153, 5714306, 14285765, 28571530]

約数ペア:

[(1, 28571530), (2, 14285765), (5, 5714306), (10, 2857153), (13, 2197810), (26, 1098905), (65, 439562), (130, 219781), (271, 105430), (542, 52715), (811, 35230), (1355, 21086), (1622, 17615), (2710, 10543), (3523, 8110), (4055, 7046)]