261314896

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 515670120

約数和(自身を除く): 254355224

約数列:

[1, 2, 4, 8, 16, 97, 137, 194, 274, 388, 548, 776, 1096, 1229, 1552, 2192, 2458, 4916, 9832, 13289, 19664, 26578, 53156, 106312, 119213, 168373, 212624, 238426, 336746, 476852, 673492, 953704, 1346984, 1907408, 2693968, 16332181, 32664362, 65328724, 130657448, 261314896]

約数ペア:

[(1, 261314896), (2, 130657448), (4, 65328724), (8, 32664362), (16, 16332181), (97, 2693968), (137, 1907408), (194, 1346984), (274, 953704), (388, 673492), (548, 476852), (776, 336746), (1096, 238426), (1229, 212624), (1552, 168373), (2192, 119213), (2458, 106312), (4916, 53156), (9832, 26578), (13289, 19664)]