12891890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 25474176

約数和(自身を除く): 12582286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 503, 1006, 1165, 2330, 2515, 2563, 5030, 5126, 5533, 11066, 12815, 25630, 27665, 55330, 117199, 234398, 585995, 1171990, 1289189, 2578378, 6445945, 12891890]

約数ペア:

[(1, 12891890), (2, 6445945), (5, 2578378), (10, 1289189), (11, 1171990), (22, 585995), (55, 234398), (110, 117199), (233, 55330), (466, 27665), (503, 25630), (1006, 12815), (1165, 11066), (2330, 5533), (2515, 5126), (2563, 5030)]