31356130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10487}}^1$

素因数の和:10530

約数の個数: 32

約数和(自身を含む): 63431424

約数和(自身を除く): 32075294

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 10487, 20974, 52435, 104870, 136331, 241201, 272662, 482402, 681655, 1206005, 1363310, 2412010, 3135613, 6271226, 15678065, 31356130]

約数ペア:

[(1, 31356130), (2, 15678065), (5, 6271226), (10, 3135613), (13, 2412010), (23, 1363310), (26, 1206005), (46, 681655), (65, 482402), (115, 272662), (130, 241201), (230, 136331), (299, 104870), (598, 52435), (1495, 20974), (2990, 10487)]