4991868

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 15611904

約数和(自身を除く): 10620036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 71, 81, 84, 93, 108, 124, 126, 142, 162, 186, 189, 213, 217, 252, 279, 284, 324, 372, 378, 426, 434, 497, 558, 567, 639, 651, 756, 837, 852, 868, 994, 1116, 1134, 1278, 1302, 1491, 1674, 1917, 1953, 1988, 2201, 2268, 2511, 2556, 2604, 2982, 3348, 3834, 3906, 4402, 4473, 5022, 5751, 5859, 5964, 6603, 7668, 7812, 8804, 8946, 10044, 11502, 11718, 13206, 13419, 15407, 17577, 17892, 19809, 23004, 23436, 26412, 26838, 30814, 35154, 39618, 40257, 46221, 53676, 59427, 61628, 70308, 79236, 80514, 92442, 118854, 138663, 161028, 178281, 184884, 237708, 277326, 356562, 415989, 554652, 713124, 831978, 1247967, 1663956, 2495934, 4991868]

約数ペア:

[(1, 4991868), (2, 2495934), (3, 1663956), (4, 1247967), (6, 831978), (7, 713124), (9, 554652), (12, 415989), (14, 356562), (18, 277326), (21, 237708), (27, 184884), (28, 178281), (31, 161028), (36, 138663), (42, 118854), (54, 92442), (62, 80514), (63, 79236), (71, 70308), (81, 61628), (84, 59427), (93, 53676), (108, 46221), (124, 40257), (126, 39618), (142, 35154), (162, 30814), (186, 26838), (189, 26412), (213, 23436), (217, 23004), (252, 19809), (279, 17892), (284, 17577), (324, 15407), (372, 13419), (378, 13206), (426, 11718), (434, 11502), (497, 10044), (558, 8946), (567, 8804), (639, 7812), (651, 7668), (756, 6603), (837, 5964), (852, 5859), (868, 5751), (994, 5022), (1116, 4473), (1134, 4402), (1278, 3906), (1302, 3834), (1491, 3348), (1674, 2982), (1917, 2604), (1953, 2556), (1988, 2511), (2201, 2268)]