31408902

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 80028000

約数和(自身を除く): 48619098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 239, 294, 298, 441, 447, 478, 717, 882, 894, 1043, 1341, 1434, 1673, 2086, 2151, 2682, 3129, 3346, 4302, 5019, 6258, 7301, 9387, 10038, 11711, 14602, 15057, 18774, 21903, 23422, 30114, 35133, 35611, 43806, 65709, 70266, 71222, 105399, 106833, 131418, 210798, 213666, 249277, 320499, 498554, 640998, 747831, 1495662, 1744939, 2243493, 3489878, 4486986, 5234817, 10469634, 15704451, 31408902]

約数ペア:

[(1, 31408902), (2, 15704451), (3, 10469634), (6, 5234817), (7, 4486986), (9, 3489878), (14, 2243493), (18, 1744939), (21, 1495662), (42, 747831), (49, 640998), (63, 498554), (98, 320499), (126, 249277), (147, 213666), (149, 210798), (239, 131418), (294, 106833), (298, 105399), (441, 71222), (447, 70266), (478, 65709), (717, 43806), (882, 35611), (894, 35133), (1043, 30114), (1341, 23422), (1434, 21903), (1673, 18774), (2086, 15057), (2151, 14602), (2682, 11711), (3129, 10038), (3346, 9387), (4302, 7301), (5019, 6258)]