7890928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 16315920

約数和(自身を除く): 8424992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 257, 304, 404, 514, 808, 1028, 1616, 1919, 2056, 3838, 4112, 4883, 7676, 9766, 15352, 19532, 25957, 30704, 39064, 51914, 78128, 103828, 207656, 415312, 493183, 986366, 1972732, 3945464, 7890928]

約数ペア:

[(1, 7890928), (2, 3945464), (4, 1972732), (8, 986366), (16, 493183), (19, 415312), (38, 207656), (76, 103828), (101, 78128), (152, 51914), (202, 39064), (257, 30704), (304, 25957), (404, 19532), (514, 15352), (808, 9766), (1028, 7676), (1616, 4883), (1919, 4112), (2056, 3838)]