257567398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 429414048

約数和(自身を除く): 171846650

約数列:

[1, 2, 11, 22, 97, 137, 194, 274, 881, 1067, 1507, 1762, 2134, 3014, 9691, 13289, 19382, 26578, 85457, 120697, 146179, 170914, 241394, 292358, 940027, 1327667, 1880054, 2655334, 11707609, 23415218, 128783699, 257567398]

約数ペア:

[(1, 257567398), (2, 128783699), (11, 23415218), (22, 11707609), (97, 2655334), (137, 1880054), (194, 1327667), (274, 940027), (881, 292358), (1067, 241394), (1507, 170914), (1762, 146179), (2134, 120697), (3014, 85457), (9691, 26578), (13289, 19382)]