127500784

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 251265168

約数和(自身を除く): 123764384

約数列:

[1, 2, 4, 8, 16, 101, 202, 257, 307, 404, 514, 614, 808, 1028, 1228, 1616, 2056, 2456, 4112, 4912, 25957, 31007, 51914, 62014, 78899, 103828, 124028, 157798, 207656, 248056, 315596, 415312, 496112, 631192, 1262384, 7968799, 15937598, 31875196, 63750392, 127500784]

約数ペア:

[(1, 127500784), (2, 63750392), (4, 31875196), (8, 15937598), (16, 7968799), (101, 1262384), (202, 631192), (257, 496112), (307, 415312), (404, 315596), (514, 248056), (614, 207656), (808, 157798), (1028, 124028), (1228, 103828), (1616, 78899), (2056, 62014), (2456, 51914), (4112, 31007), (4912, 25957)]