131261576

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{12889}}^1$

素因数の和:12981

約数の個数: 32

約数和(自身を含む): 262956000

約数和(自身を除く): 131694424

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 5092, 10184, 12889, 25778, 51556, 103112, 244891, 489782, 863563, 979564, 1727126, 1959128, 3454252, 6908504, 16407697, 32815394, 65630788, 131261576]

約数ペア:

[(1, 131261576), (2, 65630788), (4, 32815394), (8, 16407697), (19, 6908504), (38, 3454252), (67, 1959128), (76, 1727126), (134, 979564), (152, 863563), (268, 489782), (536, 244891), (1273, 103112), (2546, 51556), (5092, 25778), (10184, 12889)]