7172228

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 16011072

約数和(自身を除く): 8838844

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 43, 46, 49, 74, 86, 92, 98, 148, 161, 172, 196, 259, 301, 322, 518, 602, 644, 851, 989, 1036, 1127, 1204, 1591, 1702, 1813, 1978, 2107, 2254, 3182, 3404, 3626, 3956, 4214, 4508, 5957, 6364, 6923, 7252, 8428, 11137, 11914, 13846, 22274, 23828, 27692, 36593, 41699, 44548, 48461, 73186, 77959, 83398, 96922, 146372, 155918, 166796, 193844, 256151, 311836, 512302, 1024604, 1793057, 3586114, 7172228]

約数ペア:

[(1, 7172228), (2, 3586114), (4, 1793057), (7, 1024604), (14, 512302), (23, 311836), (28, 256151), (37, 193844), (43, 166796), (46, 155918), (49, 146372), (74, 96922), (86, 83398), (92, 77959), (98, 73186), (148, 48461), (161, 44548), (172, 41699), (196, 36593), (259, 27692), (301, 23828), (322, 22274), (518, 13846), (602, 11914), (644, 11137), (851, 8428), (989, 7252), (1036, 6923), (1127, 6364), (1204, 5957), (1591, 4508), (1702, 4214), (1813, 3956), (1978, 3626), (2107, 3404), (2254, 3182)]