378742021

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 449864064

約数和(自身を除く): 71122043

約数列:

[1, 7, 49, 101, 103, 707, 721, 743, 4949, 5047, 5201, 10403, 36407, 72821, 75043, 76529, 509747, 525301, 535703, 3677107, 3749921, 7729429, 54106003, 378742021]

約数ペア:

[(1, 378742021), (7, 54106003), (49, 7729429), (101, 3749921), (103, 3677107), (707, 535703), (721, 525301), (743, 509747), (4949, 76529), (5047, 75043), (5201, 72821), (10403, 36407)]