1261156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 2414720

約数和(自身を除く): 1153564

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 307, 316, 614, 1027, 1228, 2054, 3991, 4108, 7982, 15964, 24253, 48506, 97012, 315289, 630578, 1261156]

約数ペア:

[(1, 1261156), (2, 630578), (4, 315289), (13, 97012), (26, 48506), (52, 24253), (79, 15964), (158, 7982), (307, 4108), (316, 3991), (614, 2054), (1027, 1228)]