221016218

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 357799680

約数和(自身を除く): 136783462

約数列:

[1, 2, 17, 34, 83, 166, 271, 289, 542, 578, 1411, 2822, 4607, 4913, 9214, 9826, 22493, 23987, 44986, 47974, 78319, 156638, 382381, 407779, 764762, 815558, 1331423, 2662846, 6500477, 13000954, 110508109, 221016218]

約数ペア:

[(1, 221016218), (2, 110508109), (17, 13000954), (34, 6500477), (83, 2662846), (166, 1331423), (271, 815558), (289, 764762), (542, 407779), (578, 382381), (1411, 156638), (2822, 78319), (4607, 47974), (4913, 44986), (9214, 23987), (9826, 22493)]