31872365

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 48805632

約数和(自身を除く): 16933267

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 137, 161, 289, 391, 595, 685, 805, 959, 1445, 1955, 2023, 2329, 2737, 3151, 4795, 6647, 10115, 11645, 13685, 15755, 16303, 22057, 33235, 39593, 46529, 53567, 81515, 110285, 197965, 232645, 267835, 277151, 374969, 910639, 1385755, 1874845, 4553195, 6374473, 31872365]

約数ペア:

[(1, 31872365), (5, 6374473), (7, 4553195), (17, 1874845), (23, 1385755), (35, 910639), (85, 374969), (115, 277151), (119, 267835), (137, 232645), (161, 197965), (289, 110285), (391, 81515), (595, 53567), (685, 46529), (805, 39593), (959, 33235), (1445, 22057), (1955, 16303), (2023, 15755), (2329, 13685), (2737, 11645), (3151, 10115), (4795, 6647)]