211683779

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 241823232

約数和(自身を除く): 30139453

約数列:

[1, 17, 31, 41, 97, 101, 527, 697, 1271, 1649, 1717, 3007, 3131, 3977, 4141, 9797, 21607, 51119, 53227, 67609, 70397, 123287, 128371, 166549, 303707, 401677, 2095879, 2182307, 5163019, 6828509, 12451987, 211683779]

約数ペア:

[(1, 211683779), (17, 12451987), (31, 6828509), (41, 5163019), (97, 2182307), (101, 2095879), (527, 401677), (697, 303707), (1271, 166549), (1649, 128371), (1717, 123287), (3007, 70397), (3131, 67609), (3977, 53227), (4141, 51119), (9797, 21607)]