31451428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 61916400

約数和(自身を除く): 30464972

約数列:

[1, 2, 4, 17, 29, 34, 41, 58, 68, 82, 116, 164, 389, 493, 697, 778, 986, 1189, 1394, 1556, 1972, 2378, 2788, 4756, 6613, 11281, 13226, 15949, 20213, 22562, 26452, 31898, 40426, 45124, 63796, 80852, 191777, 271133, 383554, 462521, 542266, 767108, 925042, 1084532, 1850084, 7862857, 15725714, 31451428]

約数ペア:

[(1, 31451428), (2, 15725714), (4, 7862857), (17, 1850084), (29, 1084532), (34, 925042), (41, 767108), (58, 542266), (68, 462521), (82, 383554), (116, 271133), (164, 191777), (389, 80852), (493, 63796), (697, 45124), (778, 40426), (986, 31898), (1189, 26452), (1394, 22562), (1556, 20213), (1972, 15949), (2378, 13226), (2788, 11281), (4756, 6613)]