391401612

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{73961}}^1$

素因数の和:73988

約数の個数: 72

約数和(自身を含む): 1180433520

約数和(自身を除く): 789031908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 73961, 147922, 221883, 295844, 443766, 517727, 665649, 887532, 1035454, 1331298, 1553181, 1996947, 2070908, 2662596, 3106362, 3624089, 3993894, 4659543, 6212724, 7248178, 7987788, 9319086, 10872267, 13978629, 14496356, 18638172, 21744534, 27957258, 32616801, 43489068, 55914516, 65233602, 97850403, 130467204, 195700806, 391401612]

約数ペア:

[(1, 391401612), (2, 195700806), (3, 130467204), (4, 97850403), (6, 65233602), (7, 55914516), (9, 43489068), (12, 32616801), (14, 27957258), (18, 21744534), (21, 18638172), (27, 14496356), (28, 13978629), (36, 10872267), (42, 9319086), (49, 7987788), (54, 7248178), (63, 6212724), (84, 4659543), (98, 3993894), (108, 3624089), (126, 3106362), (147, 2662596), (189, 2070908), (196, 1996947), (252, 1553181), (294, 1331298), (378, 1035454), (441, 887532), (588, 665649), (756, 517727), (882, 443766), (1323, 295844), (1764, 221883), (2646, 147922), (5292, 73961)]