81521244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5483}}^1$

素因数の和:5559

約数の個数: 72

約数和(自身を含む): 239541120

約数和(自身を除く): 158019876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1652, 2124, 2478, 3717, 4956, 5483, 7434, 10966, 14868, 16449, 21932, 32898, 38381, 49347, 65796, 76762, 98694, 115143, 153524, 197388, 230286, 323497, 345429, 460572, 646994, 690858, 970491, 1293988, 1381716, 1940982, 2264479, 2911473, 3881964, 4528958, 5822946, 6793437, 9057916, 11645892, 13586874, 20380311, 27173748, 40760622, 81521244]

約数ペア:

[(1, 81521244), (2, 40760622), (3, 27173748), (4, 20380311), (6, 13586874), (7, 11645892), (9, 9057916), (12, 6793437), (14, 5822946), (18, 4528958), (21, 3881964), (28, 2911473), (36, 2264479), (42, 1940982), (59, 1381716), (63, 1293988), (84, 970491), (118, 690858), (126, 646994), (177, 460572), (236, 345429), (252, 323497), (354, 230286), (413, 197388), (531, 153524), (708, 115143), (826, 98694), (1062, 76762), (1239, 65796), (1652, 49347), (2124, 38381), (2478, 32898), (3717, 21932), (4956, 16449), (5483, 14868), (7434, 10966)]