261729728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2477}}^1$

素因数の和:2629

約数の個数: 56

約数和(自身を含む): 563953152

約数和(自身を除く): 302223424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 208, 254, 416, 508, 832, 1016, 1651, 2032, 2477, 3302, 4064, 4954, 6604, 8128, 9908, 13208, 19816, 26416, 32201, 39632, 52832, 64402, 79264, 105664, 128804, 158528, 257608, 314579, 515216, 629158, 1030432, 1258316, 2060864, 2516632, 4089527, 5033264, 8179054, 10066528, 16358108, 20133056, 32716216, 65432432, 130864864, 261729728]

約数ペア:

[(1, 261729728), (2, 130864864), (4, 65432432), (8, 32716216), (13, 20133056), (16, 16358108), (26, 10066528), (32, 8179054), (52, 5033264), (64, 4089527), (104, 2516632), (127, 2060864), (208, 1258316), (254, 1030432), (416, 629158), (508, 515216), (832, 314579), (1016, 257608), (1651, 158528), (2032, 128804), (2477, 105664), (3302, 79264), (4064, 64402), (4954, 52832), (6604, 39632), (8128, 32201), (9908, 26416), (13208, 19816)]