31648148

素因数分解:

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

素因数の和:181

約数の個数: 72

約数和(自身を含む): 69640704

約数和(自身を除く): 37992556

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 101, 124, 133, 202, 217, 266, 361, 404, 434, 532, 589, 707, 722, 868, 1178, 1414, 1444, 1919, 2356, 2527, 2828, 3131, 3838, 4123, 5054, 6262, 7676, 8246, 10108, 11191, 12524, 13433, 16492, 21917, 22382, 26866, 36461, 43834, 44764, 53732, 59489, 72922, 78337, 87668, 118978, 145844, 156674, 237956, 255227, 313348, 416423, 510454, 832846, 1020908, 1130291, 1665692, 2260582, 4521164, 7912037, 15824074, 31648148]

約数ペア:

[(1, 31648148), (2, 15824074), (4, 7912037), (7, 4521164), (14, 2260582), (19, 1665692), (28, 1130291), (31, 1020908), (38, 832846), (62, 510454), (76, 416423), (101, 313348), (124, 255227), (133, 237956), (202, 156674), (217, 145844), (266, 118978), (361, 87668), (404, 78337), (434, 72922), (532, 59489), (589, 53732), (707, 44764), (722, 43834), (868, 36461), (1178, 26866), (1414, 22382), (1444, 21917), (1919, 16492), (2356, 13433), (2527, 12524), (2828, 11191), (3131, 10108), (3838, 8246), (4123, 7676), (5054, 6262)]