31123554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 84602880

約数和(自身を除く): 53479326

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 29, 33, 42, 46, 58, 66, 69, 77, 87, 101, 138, 154, 161, 174, 202, 203, 231, 253, 303, 319, 322, 406, 462, 483, 506, 606, 609, 638, 667, 707, 759, 957, 966, 1111, 1218, 1334, 1414, 1518, 1771, 1914, 2001, 2121, 2222, 2233, 2323, 2929, 3333, 3542, 4002, 4242, 4466, 4646, 4669, 5313, 5858, 6666, 6699, 6969, 7337, 7777, 8787, 9338, 10626, 13398, 13938, 14007, 14674, 15554, 16261, 17574, 20503, 22011, 23331, 25553, 28014, 32219, 32522, 41006, 44022, 46662, 48783, 51106, 51359, 61509, 64438, 67367, 76659, 96657, 97566, 102718, 123018, 134734, 153318, 154077, 178871, 193314, 202101, 225533, 308154, 357742, 404202, 451066, 471569, 536613, 676599, 741037, 943138, 1073226, 1353198, 1414707, 1482074, 2223111, 2829414, 4446222, 5187259, 10374518, 15561777, 31123554]

約数ペア:

[(1, 31123554), (2, 15561777), (3, 10374518), (6, 5187259), (7, 4446222), (11, 2829414), (14, 2223111), (21, 1482074), (22, 1414707), (23, 1353198), (29, 1073226), (33, 943138), (42, 741037), (46, 676599), (58, 536613), (66, 471569), (69, 451066), (77, 404202), (87, 357742), (101, 308154), (138, 225533), (154, 202101), (161, 193314), (174, 178871), (202, 154077), (203, 153318), (231, 134734), (253, 123018), (303, 102718), (319, 97566), (322, 96657), (406, 76659), (462, 67367), (483, 64438), (506, 61509), (606, 51359), (609, 51106), (638, 48783), (667, 46662), (707, 44022), (759, 41006), (957, 32522), (966, 32219), (1111, 28014), (1218, 25553), (1334, 23331), (1414, 22011), (1518, 20503), (1771, 17574), (1914, 16261), (2001, 15554), (2121, 14674), (2222, 14007), (2233, 13938), (2323, 13398), (2929, 10626), (3333, 9338), (3542, 8787), (4002, 7777), (4242, 7337), (4466, 6969), (4646, 6699), (4669, 6666), (5313, 5858)]