256861514

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{6163}}^1$

素因数の和:6414

約数の個数: 32

約数和(自身を含む): 476353920

約数和(自身を除く): 219492406

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 229, 458, 1603, 2977, 3206, 5954, 6163, 12326, 20839, 41678, 43141, 80119, 86282, 160238, 560833, 1121666, 1411327, 2822654, 9879289, 18347251, 19758578, 36694502, 128430757, 256861514]

約数ペア:

[(1, 256861514), (2, 128430757), (7, 36694502), (13, 19758578), (14, 18347251), (26, 9879289), (91, 2822654), (182, 1411327), (229, 1121666), (458, 560833), (1603, 160238), (2977, 86282), (3206, 80119), (5954, 43141), (6163, 41678), (12326, 20839)]