255364578

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{691}}^1$

素因数の和:1132

約数の個数: 72

約数和(自身を含む): 646092720

約数和(自身を除く): 390728142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 419, 441, 691, 838, 882, 1257, 1382, 2073, 2514, 2933, 3771, 4146, 4837, 5866, 6219, 7542, 8799, 9674, 12438, 14511, 17598, 20531, 26397, 29022, 33859, 41062, 43533, 52794, 61593, 67718, 87066, 101577, 123186, 184779, 203154, 289529, 304731, 369558, 579058, 609462, 868587, 1737174, 2026703, 2605761, 4053406, 5211522, 6080109, 12160218, 14186921, 18240327, 28373842, 36480654, 42560763, 85121526, 127682289, 255364578]

約数ペア:

[(1, 255364578), (2, 127682289), (3, 85121526), (6, 42560763), (7, 36480654), (9, 28373842), (14, 18240327), (18, 14186921), (21, 12160218), (42, 6080109), (49, 5211522), (63, 4053406), (98, 2605761), (126, 2026703), (147, 1737174), (294, 868587), (419, 609462), (441, 579058), (691, 369558), (838, 304731), (882, 289529), (1257, 203154), (1382, 184779), (2073, 123186), (2514, 101577), (2933, 87066), (3771, 67718), (4146, 61593), (4837, 52794), (5866, 43533), (6219, 41062), (7542, 33859), (8799, 29022), (9674, 26397), (12438, 20531), (14511, 17598)]