81085368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 252241920

約数和(自身を除く): 171156552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 137, 156, 168, 182, 271, 273, 274, 312, 364, 411, 542, 546, 548, 728, 813, 822, 959, 1084, 1092, 1096, 1626, 1644, 1781, 1897, 1918, 2168, 2184, 2877, 3252, 3288, 3523, 3562, 3794, 3836, 5343, 5691, 5754, 6504, 7046, 7124, 7588, 7672, 10569, 10686, 11382, 11508, 12467, 14092, 14248, 15176, 21138, 21372, 22764, 23016, 24661, 24934, 28184, 37127, 37401, 42276, 42744, 45528, 49322, 49868, 73983, 74254, 74802, 84552, 98644, 99736, 111381, 147966, 148508, 149604, 197288, 222762, 259889, 295932, 297016, 299208, 445524, 482651, 519778, 591864, 779667, 891048, 965302, 1039556, 1447953, 1559334, 1930604, 2079112, 2895906, 3118668, 3378557, 3861208, 5791812, 6237336, 6757114, 10135671, 11583624, 13514228, 20271342, 27028456, 40542684, 81085368]

約数ペア:

[(1, 81085368), (2, 40542684), (3, 27028456), (4, 20271342), (6, 13514228), (7, 11583624), (8, 10135671), (12, 6757114), (13, 6237336), (14, 5791812), (21, 3861208), (24, 3378557), (26, 3118668), (28, 2895906), (39, 2079112), (42, 1930604), (52, 1559334), (56, 1447953), (78, 1039556), (84, 965302), (91, 891048), (104, 779667), (137, 591864), (156, 519778), (168, 482651), (182, 445524), (271, 299208), (273, 297016), (274, 295932), (312, 259889), (364, 222762), (411, 197288), (542, 149604), (546, 148508), (548, 147966), (728, 111381), (813, 99736), (822, 98644), (959, 84552), (1084, 74802), (1092, 74254), (1096, 73983), (1626, 49868), (1644, 49322), (1781, 45528), (1897, 42744), (1918, 42276), (2168, 37401), (2184, 37127), (2877, 28184), (3252, 24934), (3288, 24661), (3523, 23016), (3562, 22764), (3794, 21372), (3836, 21138), (5343, 15176), (5691, 14248), (5754, 14092), (6504, 12467), (7046, 11508), (7124, 11382), (7588, 10686), (7672, 10569)]