128734112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{309457}}^1$

素因数の和:309480

約数の個数: 24

約数和(自身を含む): 272941956

約数和(自身を除く): 144207844

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 309457, 618914, 1237828, 2475656, 4022941, 4951312, 8045882, 9902624, 16091764, 32183528, 64367056, 128734112]

約数ペア:

[(1, 128734112), (2, 64367056), (4, 32183528), (8, 16091764), (13, 9902624), (16, 8045882), (26, 4951312), (32, 4022941), (52, 2475656), (104, 1237828), (208, 618914), (416, 309457)]