31166408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 74296320

約数和(自身を除く): 43129912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1381, 1612, 1736, 2762, 2821, 3224, 5524, 5642, 9667, 11048, 11284, 17953, 19334, 22568, 35906, 38668, 42811, 71812, 77336, 85622, 125671, 143624, 171244, 251342, 299677, 342488, 502684, 556543, 599354, 1005368, 1113086, 1198708, 2226172, 2397416, 3895801, 4452344, 7791602, 15583204, 31166408]

約数ペア:

[(1, 31166408), (2, 15583204), (4, 7791602), (7, 4452344), (8, 3895801), (13, 2397416), (14, 2226172), (26, 1198708), (28, 1113086), (31, 1005368), (52, 599354), (56, 556543), (62, 502684), (91, 342488), (104, 299677), (124, 251342), (182, 171244), (217, 143624), (248, 125671), (364, 85622), (403, 77336), (434, 71812), (728, 42811), (806, 38668), (868, 35906), (1381, 22568), (1612, 19334), (1736, 17953), (2762, 11284), (2821, 11048), (3224, 9667), (5524, 5642)]