25999168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31274

約数の個数: 28

約数和(自身を含む): 55562500

約数和(自身を除く): 29563332

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 31249, 62498, 124996, 249992, 406237, 499984, 812474, 999968, 1624948, 1999936, 3249896, 6499792, 12999584, 25999168]

約数ペア:

[(1, 25999168), (2, 12999584), (4, 6499792), (8, 3249896), (13, 1999936), (16, 1624948), (26, 999968), (32, 812474), (52, 499984), (64, 406237), (104, 249992), (208, 124996), (416, 62498), (832, 31249)]