30981136

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 62763840

約数和(自身を除く): 31782704

約数列:

[1, 2, 4, 8, 16, 37, 59, 74, 118, 148, 236, 296, 472, 592, 887, 944, 1774, 2183, 3548, 4366, 7096, 8732, 14192, 17464, 32819, 34928, 52333, 65638, 104666, 131276, 209332, 262552, 418664, 525104, 837328, 1936321, 3872642, 7745284, 15490568, 30981136]

約数ペア:

[(1, 30981136), (2, 15490568), (4, 7745284), (8, 3872642), (16, 1936321), (37, 837328), (59, 525104), (74, 418664), (118, 262552), (148, 209332), (236, 131276), (296, 104666), (472, 65638), (592, 52333), (887, 34928), (944, 32819), (1774, 17464), (2183, 14192), (3548, 8732), (4366, 7096)]