256863282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{9949}}^1$

素因数の和:10298

約数の個数: 32

約数和(自身を含む): 554971200

約数和(自身を除く): 298107918

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 331, 662, 993, 1986, 4303, 8606, 9949, 12909, 19898, 25818, 29847, 59694, 129337, 258674, 388011, 776022, 3293119, 6586238, 9879357, 19758714, 42810547, 85621094, 128431641, 256863282]

約数ペア:

[(1, 256863282), (2, 128431641), (3, 85621094), (6, 42810547), (13, 19758714), (26, 9879357), (39, 6586238), (78, 3293119), (331, 776022), (662, 388011), (993, 258674), (1986, 129337), (4303, 59694), (8606, 29847), (9949, 25818), (12909, 19898)]