639914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 1166400

約数和(自身を除く): 526486

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 59, 118, 187, 319, 374, 493, 638, 649, 986, 1003, 1298, 1711, 2006, 3422, 5423, 10846, 11033, 18821, 22066, 29087, 37642, 58174, 319957, 639914]

約数ペア:

[(1, 639914), (2, 319957), (11, 58174), (17, 37642), (22, 29087), (29, 22066), (34, 18821), (58, 11033), (59, 10846), (118, 5423), (187, 3422), (319, 2006), (374, 1711), (493, 1298), (638, 1003), (649, 986)]