138478864

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{233917}}^1$

素因数の和:233962

約数の個数: 20

約数和(自身を含む): 275555404

約数和(自身を除く): 137076540

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 233917, 467834, 935668, 1871336, 3742672, 8654929, 17309858, 34619716, 69239432, 138478864]

約数ペア:

[(1, 138478864), (2, 69239432), (4, 34619716), (8, 17309858), (16, 8654929), (37, 3742672), (74, 1871336), (148, 935668), (296, 467834), (592, 233917)]