18031382047

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1\times {\mathrm{659}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 21173644800

約数和(自身を除く): 3142262753

約数列:

[1, 7, 61, 139, 427, 461, 659, 973, 3227, 4613, 8479, 28121, 40199, 59353, 64079, 91601, 196847, 281393, 303799, 448553, 641207, 2126593, 3908819, 5587661, 18531739, 27361733, 39113627, 42228061, 129722173, 295596427, 2575911721, 18031382047]

約数ペア:

[(1, 18031382047), (7, 2575911721), (61, 295596427), (139, 129722173), (427, 42228061), (461, 39113627), (659, 27361733), (973, 18531739), (3227, 5587661), (4613, 3908819), (8479, 2126593), (28121, 641207), (40199, 448553), (59353, 303799), (64079, 281393), (91601, 196847)]