257940056

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3480

約数の個数: 48

約数和(自身を含む): 538490400

約数和(自身を除く): 280550344

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 121, 158, 242, 316, 484, 632, 869, 968, 1738, 3373, 3476, 6746, 6952, 9559, 13492, 19118, 26984, 37103, 38236, 74206, 76472, 148412, 266467, 296824, 408133, 532934, 816266, 1065868, 1632532, 2131736, 2931137, 3265064, 5862274, 11724548, 23449096, 32242507, 64485014, 128970028, 257940056]

約数ペア:

[(1, 257940056), (2, 128970028), (4, 64485014), (8, 32242507), (11, 23449096), (22, 11724548), (44, 5862274), (79, 3265064), (88, 2931137), (121, 2131736), (158, 1632532), (242, 1065868), (316, 816266), (484, 532934), (632, 408133), (869, 296824), (968, 266467), (1738, 148412), (3373, 76472), (3476, 74206), (6746, 38236), (6952, 37103), (9559, 26984), (13492, 19118)]