189571216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1997}}^1$

素因数の和:2371

約数の個数: 40

約数和(自身を含む): 390209400

約数和(自身を除く): 200638184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 349, 698, 1396, 1997, 2792, 3994, 5584, 5933, 7988, 11866, 15976, 23732, 31952, 33949, 47464, 67898, 94928, 135796, 271592, 543184, 696953, 1393906, 2787812, 5575624, 11151248, 11848201, 23696402, 47392804, 94785608, 189571216]

約数ペア:

[(1, 189571216), (2, 94785608), (4, 47392804), (8, 23696402), (16, 11848201), (17, 11151248), (34, 5575624), (68, 2787812), (136, 1393906), (272, 696953), (349, 543184), (698, 271592), (1396, 135796), (1997, 94928), (2792, 67898), (3994, 47464), (5584, 33949), (5933, 31952), (7988, 23732), (11866, 15976)]