31374928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 73120320

約数和(自身を除く): 41745392

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 467, 494, 646, 884, 934, 988, 1292, 1768, 1868, 1976, 2584, 3536, 3736, 3952, 4199, 5168, 6071, 7472, 7939, 8398, 8873, 12142, 15878, 16796, 17746, 24284, 31756, 33592, 35492, 48568, 63512, 67184, 70984, 97136, 103207, 115349, 127024, 141968, 150841, 206414, 230698, 301682, 412828, 461396, 603364, 825656, 922792, 1206728, 1651312, 1845584, 1960933, 2413456, 3921866, 7843732, 15687464, 31374928]

約数ペア:

[(1, 31374928), (2, 15687464), (4, 7843732), (8, 3921866), (13, 2413456), (16, 1960933), (17, 1845584), (19, 1651312), (26, 1206728), (34, 922792), (38, 825656), (52, 603364), (68, 461396), (76, 412828), (104, 301682), (136, 230698), (152, 206414), (208, 150841), (221, 141968), (247, 127024), (272, 115349), (304, 103207), (323, 97136), (442, 70984), (467, 67184), (494, 63512), (646, 48568), (884, 35492), (934, 33592), (988, 31756), (1292, 24284), (1768, 17746), (1868, 16796), (1976, 15878), (2584, 12142), (3536, 8873), (3736, 8398), (3952, 7939), (4199, 7472), (5168, 6071)]