81737584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222113}}^1$

素因数の和:222144

約数の個数: 20

約数和(自身を含む): 165252816

約数和(自身を除く): 83515232

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222113, 444226, 888452, 1776904, 3553808, 5108599, 10217198, 20434396, 40868792, 81737584]

約数ペア:

[(1, 81737584), (2, 40868792), (4, 20434396), (8, 10217198), (16, 5108599), (23, 3553808), (46, 1776904), (92, 888452), (184, 444226), (368, 222113)]