81337552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163987}}^1$

素因数の和:164026

約数の個数: 20

約数和(自身を含む): 162676096

約数和(自身を除く): 81338544

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163987, 327974, 655948, 1311896, 2623792, 5083597, 10167194, 20334388, 40668776, 81337552]

約数ペア:

[(1, 81337552), (2, 40668776), (4, 20334388), (8, 10167194), (16, 5083597), (31, 2623792), (62, 1311896), (124, 655948), (248, 327974), (496, 163987)]