81521447390

素因数分解:

$2^1\times 5^1\times {\mathrm{17539}}^1\times {\mathrm{464801}}^1$

素因数の和:482347

約数の個数: 16

約数和(自身を含む): 146747287440

約数和(自身を除く): 65225840050

約数列:

[1, 2, 5, 10, 17539, 35078, 87695, 175390, 464801, 929602, 2324005, 4648010, 8152144739, 16304289478, 40760723695, 81521447390]

約数ペア:

[(1, 81521447390), (2, 40760723695), (5, 16304289478), (10, 8152144739), (17539, 4648010), (35078, 2324005), (87695, 929602), (175390, 464801)]