7861690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 14826240

約数和(自身を除く): 6964550

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 389, 430, 470, 778, 1945, 2021, 3890, 4042, 10105, 16727, 18283, 20210, 33454, 36566, 83635, 91415, 167270, 182830, 786169, 1572338, 3930845, 7861690]

約数ペア:

[(1, 7861690), (2, 3930845), (5, 1572338), (10, 786169), (43, 182830), (47, 167270), (86, 91415), (94, 83635), (215, 36566), (235, 33454), (389, 20210), (430, 18283), (470, 16727), (778, 10105), (1945, 4042), (2021, 3890)]