71861968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{144883}}^1$

素因数の和:144922

約数の個数: 20

約数和(自身を含む): 143724928

約数和(自身を除く): 71862960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 144883, 289766, 579532, 1159064, 2318128, 4491373, 8982746, 17965492, 35930984, 71861968]

約数ペア:

[(1, 71861968), (2, 35930984), (4, 17965492), (8, 8982746), (16, 4491373), (31, 2318128), (62, 1159064), (124, 579532), (248, 289766), (496, 144883)]