251233164

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8557

約数の個数: 120

約数和(自身を含む): 808431008

約数和(自身を除く): 557197844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 3276, 4212, 4914, 7371, 8521, 9828, 14742, 17042, 25563, 29484, 34084, 51126, 59647, 76689, 102252, 110773, 119294, 153378, 178941, 221546, 230067, 238588, 306756, 332319, 357882, 443092, 460134, 536823, 664638, 690201, 715764, 775411, 920268, 996957, 1073646, 1329276, 1380402, 1550822, 1610469, 1993914, 2147292, 2326233, 2760804, 2990871, 3101644, 3220938, 3987828, 4652466, 4831407, 5981742, 6441876, 6978699, 8972613, 9304932, 9662814, 11963484, 13957398, 17945226, 19325628, 20936097, 27914796, 35890452, 41872194, 62808291, 83744388, 125616582, 251233164]

約数ペア:

[(1, 251233164), (2, 125616582), (3, 83744388), (4, 62808291), (6, 41872194), (7, 35890452), (9, 27914796), (12, 20936097), (13, 19325628), (14, 17945226), (18, 13957398), (21, 11963484), (26, 9662814), (27, 9304932), (28, 8972613), (36, 6978699), (39, 6441876), (42, 5981742), (52, 4831407), (54, 4652466), (63, 3987828), (78, 3220938), (81, 3101644), (84, 2990871), (91, 2760804), (108, 2326233), (117, 2147292), (126, 1993914), (156, 1610469), (162, 1550822), (182, 1380402), (189, 1329276), (234, 1073646), (252, 996957), (273, 920268), (324, 775411), (351, 715764), (364, 690201), (378, 664638), (468, 536823), (546, 460134), (567, 443092), (702, 357882), (756, 332319), (819, 306756), (1053, 238588), (1092, 230067), (1134, 221546), (1404, 178941), (1638, 153378), (2106, 119294), (2268, 110773), (2457, 102252), (3276, 76689), (4212, 59647), (4914, 51126), (7371, 34084), (8521, 29484), (9828, 25563), (14742, 17042)]