128450992

素因数分解:

$2^4\times {\mathrm{101}}^2\times {\mathrm{787}}^1$

素因数の和:997

約数の個数: 30

約数和(自身を含む): 251681684

約数和(自身を除く): 123230692

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 787, 808, 1574, 1616, 3148, 6296, 10201, 12592, 20402, 40804, 79487, 81608, 158974, 163216, 317948, 635896, 1271792, 8028187, 16056374, 32112748, 64225496, 128450992]

約数ペア:

[(1, 128450992), (2, 64225496), (4, 32112748), (8, 16056374), (16, 8028187), (101, 1271792), (202, 635896), (404, 317948), (787, 163216), (808, 158974), (1574, 81608), (1616, 79487), (3148, 40804), (6296, 20402), (10201, 12592)]