81618908

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 182784000

約数和(自身を除く): 101165092

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 101, 124, 133, 196, 202, 217, 266, 343, 404, 434, 532, 589, 686, 707, 868, 931, 1178, 1372, 1414, 1519, 1862, 1919, 2356, 2828, 3038, 3131, 3724, 3838, 4123, 4949, 6076, 6262, 6517, 7676, 8246, 9898, 10633, 12524, 13034, 13433, 16492, 19796, 21266, 21917, 26068, 26866, 28861, 34643, 42532, 43834, 53732, 57722, 59489, 69286, 87668, 94031, 115444, 118978, 138572, 153419, 188062, 202027, 237956, 306838, 376124, 404054, 416423, 613676, 658217, 808108, 832846, 1073933, 1316434, 1665692, 2147866, 2632868, 2914961, 4295732, 5829922, 11659844, 20404727, 40809454, 81618908]

約数ペア:

[(1, 81618908), (2, 40809454), (4, 20404727), (7, 11659844), (14, 5829922), (19, 4295732), (28, 2914961), (31, 2632868), (38, 2147866), (49, 1665692), (62, 1316434), (76, 1073933), (98, 832846), (101, 808108), (124, 658217), (133, 613676), (196, 416423), (202, 404054), (217, 376124), (266, 306838), (343, 237956), (404, 202027), (434, 188062), (532, 153419), (589, 138572), (686, 118978), (707, 115444), (868, 94031), (931, 87668), (1178, 69286), (1372, 59489), (1414, 57722), (1519, 53732), (1862, 43834), (1919, 42532), (2356, 34643), (2828, 28861), (3038, 26866), (3131, 26068), (3724, 21917), (3838, 21266), (4123, 19796), (4949, 16492), (6076, 13433), (6262, 13034), (6517, 12524), (7676, 10633), (8246, 9898)]