291581164

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 629768832

約数和(自身を除く): 338187668

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 49, 62, 74, 98, 124, 148, 196, 217, 259, 434, 518, 868, 1036, 1147, 1297, 1519, 1813, 2294, 2594, 3038, 3626, 4588, 5188, 6076, 7252, 8029, 9079, 16058, 18158, 32116, 36316, 40207, 47989, 56203, 63553, 80414, 95978, 112406, 127106, 160828, 191956, 224812, 254212, 281449, 335923, 562898, 671846, 1125796, 1343692, 1487659, 1970143, 2351461, 2975318, 3940286, 4702922, 5950636, 7880572, 9405844, 10413613, 20827226, 41654452, 72895291, 145790582, 291581164]

約数ペア:

[(1, 291581164), (2, 145790582), (4, 72895291), (7, 41654452), (14, 20827226), (28, 10413613), (31, 9405844), (37, 7880572), (49, 5950636), (62, 4702922), (74, 3940286), (98, 2975318), (124, 2351461), (148, 1970143), (196, 1487659), (217, 1343692), (259, 1125796), (434, 671846), (518, 562898), (868, 335923), (1036, 281449), (1147, 254212), (1297, 224812), (1519, 191956), (1813, 160828), (2294, 127106), (2594, 112406), (3038, 95978), (3626, 80414), (4588, 63553), (5188, 56203), (6076, 47989), (7252, 40207), (8029, 36316), (9079, 32116), (16058, 18158)]