31255812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 72

約数和(自身を含む): 93230592

約数和(自身を除く): 61974780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 4001, 7812, 8002, 12003, 16004, 24006, 28007, 36009, 48012, 56014, 72018, 84021, 112028, 124031, 144036, 168042, 248062, 252063, 336084, 372093, 496124, 504126, 744186, 868217, 1008252, 1116279, 1488372, 1736434, 2232558, 2604651, 3472868, 4465116, 5209302, 7813953, 10418604, 15627906, 31255812]

約数ペア:

[(1, 31255812), (2, 15627906), (3, 10418604), (4, 7813953), (6, 5209302), (7, 4465116), (9, 3472868), (12, 2604651), (14, 2232558), (18, 1736434), (21, 1488372), (28, 1116279), (31, 1008252), (36, 868217), (42, 744186), (62, 504126), (63, 496124), (84, 372093), (93, 336084), (124, 252063), (126, 248062), (186, 168042), (217, 144036), (252, 124031), (279, 112028), (372, 84021), (434, 72018), (558, 56014), (651, 48012), (868, 36009), (1116, 28007), (1302, 24006), (1953, 16004), (2604, 12003), (3906, 8002), (4001, 7812)]