219215514

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{745631}}^1$

素因数の和:745650

約数の個数: 24

約数和(自身を含む): 510012288

約数和(自身を除く): 290796774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 745631, 1491262, 2236893, 4473786, 5219417, 10438834, 15658251, 31316502, 36535919, 73071838, 109607757, 219215514]

約数ペア:

[(1, 219215514), (2, 109607757), (3, 73071838), (6, 36535919), (7, 31316502), (14, 15658251), (21, 10438834), (42, 5219417), (49, 4473786), (98, 2236893), (147, 1491262), (294, 745631)]