25769289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 43638912

約数和(自身を除く): 17869623

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 137, 159, 169, 273, 371, 411, 507, 689, 959, 1113, 1183, 1781, 2067, 2877, 3549, 4823, 5343, 7261, 8957, 12467, 14469, 21783, 23153, 26871, 37401, 50827, 62699, 69459, 94393, 152481, 162071, 188097, 283179, 486213, 660751, 1227109, 1982253, 3681327, 8589763, 25769289]

約数ペア:

[(1, 25769289), (3, 8589763), (7, 3681327), (13, 1982253), (21, 1227109), (39, 660751), (53, 486213), (91, 283179), (137, 188097), (159, 162071), (169, 152481), (273, 94393), (371, 69459), (411, 62699), (507, 50827), (689, 37401), (959, 26871), (1113, 23153), (1183, 21783), (1781, 14469), (2067, 12467), (2877, 8957), (3549, 7261), (4823, 5343)]