391246164

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 108

約数和(自身を含む): 1049656608

約数和(自身を除く): 658410444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 263, 279, 372, 387, 516, 526, 558, 774, 789, 961, 1052, 1116, 1333, 1548, 1578, 1922, 2367, 2666, 2883, 3156, 3844, 3999, 4734, 5332, 5766, 7998, 8153, 8649, 9468, 11309, 11532, 11997, 15996, 16306, 17298, 22618, 23994, 24459, 32612, 33927, 34596, 41323, 45236, 47988, 48918, 67854, 73377, 82646, 97836, 101781, 123969, 135708, 146754, 165292, 203562, 247938, 252743, 293508, 350579, 371907, 407124, 495876, 505486, 701158, 743814, 758229, 1010972, 1051737, 1402316, 1487628, 1516458, 2103474, 2274687, 3032916, 3155211, 4206948, 4549374, 6310422, 9098748, 10867949, 12620844, 21735898, 32603847, 43471796, 65207694, 97811541, 130415388, 195623082, 391246164]

約数ペア:

[(1, 391246164), (2, 195623082), (3, 130415388), (4, 97811541), (6, 65207694), (9, 43471796), (12, 32603847), (18, 21735898), (31, 12620844), (36, 10867949), (43, 9098748), (62, 6310422), (86, 4549374), (93, 4206948), (124, 3155211), (129, 3032916), (172, 2274687), (186, 2103474), (258, 1516458), (263, 1487628), (279, 1402316), (372, 1051737), (387, 1010972), (516, 758229), (526, 743814), (558, 701158), (774, 505486), (789, 495876), (961, 407124), (1052, 371907), (1116, 350579), (1333, 293508), (1548, 252743), (1578, 247938), (1922, 203562), (2367, 165292), (2666, 146754), (2883, 135708), (3156, 123969), (3844, 101781), (3999, 97836), (4734, 82646), (5332, 73377), (5766, 67854), (7998, 48918), (8153, 47988), (8649, 45236), (9468, 41323), (11309, 34596), (11532, 33927), (11997, 32612), (15996, 24459), (16306, 23994), (17298, 22618)]