71272838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20611}}^1$

素因数の和:20652

約数の個数: 32

約数和(自身を含む): 138512640

約数和(自身を除く): 67239802

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 20611, 41222, 144277, 267943, 288554, 391609, 535886, 783218, 1875601, 2741263, 3751202, 5090917, 5482526, 10181834, 35636419, 71272838]

約数ペア:

[(1, 71272838), (2, 35636419), (7, 10181834), (13, 5482526), (14, 5090917), (19, 3751202), (26, 2741263), (38, 1875601), (91, 783218), (133, 535886), (182, 391609), (247, 288554), (266, 267943), (494, 144277), (1729, 41222), (3458, 20611)]