71430568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 149925600

約数和(自身を除く): 78495032

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 439, 473, 878, 946, 1756, 1849, 1892, 3512, 3698, 3784, 4829, 7396, 9658, 14792, 18877, 19316, 20339, 37754, 38632, 40678, 75508, 81356, 151016, 162712, 207647, 415294, 811711, 830588, 1623422, 1661176, 3246844, 6493688, 8928821, 17857642, 35715284, 71430568]

約数ペア:

[(1, 71430568), (2, 35715284), (4, 17857642), (8, 8928821), (11, 6493688), (22, 3246844), (43, 1661176), (44, 1623422), (86, 830588), (88, 811711), (172, 415294), (344, 207647), (439, 162712), (473, 151016), (878, 81356), (946, 75508), (1756, 40678), (1849, 38632), (1892, 37754), (3512, 20339), (3698, 19316), (3784, 18877), (4829, 14792), (7396, 9658)]