256464078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{2671}}^1$

素因数の和:3920

約数の個数: 32

約数和(自身を含む): 553039872

約数和(自身を除く): 296575794

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1231, 2462, 2671, 3693, 5342, 7386, 8013, 16003, 16026, 32006, 34723, 48009, 69446, 96018, 104169, 208338, 3288001, 6576002, 9864003, 19728006, 42744013, 85488026, 128232039, 256464078]

約数ペア:

[(1, 256464078), (2, 128232039), (3, 85488026), (6, 42744013), (13, 19728006), (26, 9864003), (39, 6576002), (78, 3288001), (1231, 208338), (2462, 104169), (2671, 96018), (3693, 69446), (5342, 48009), (7386, 34723), (8013, 32006), (16003, 16026)]