31811142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 71628480

約数和(自身を除く): 39817338

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 726, 946, 1019, 1419, 2038, 2838, 3057, 5203, 6114, 10406, 11209, 15609, 22418, 31218, 33627, 43817, 67254, 87634, 123299, 131451, 246598, 262902, 369897, 481987, 739794, 963974, 1445961, 2891922, 5301857, 10603714, 15905571, 31811142]

約数ペア:

[(1, 31811142), (2, 15905571), (3, 10603714), (6, 5301857), (11, 2891922), (22, 1445961), (33, 963974), (43, 739794), (66, 481987), (86, 369897), (121, 262902), (129, 246598), (242, 131451), (258, 123299), (363, 87634), (473, 67254), (726, 43817), (946, 33627), (1019, 31218), (1419, 22418), (2038, 15609), (2838, 11209), (3057, 10406), (5203, 6114)]