71678635

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 101832192

約数和(自身を除く): 30153557

約数列:

[1, 5, 7, 35, 43, 97, 215, 301, 485, 491, 679, 1505, 2455, 3395, 3437, 4171, 17185, 20855, 21113, 29197, 47627, 105565, 145985, 147791, 238135, 333389, 738955, 1666945, 2047961, 10239805, 14335727, 71678635]

約数ペア:

[(1, 71678635), (5, 14335727), (7, 10239805), (35, 2047961), (43, 1666945), (97, 738955), (215, 333389), (301, 238135), (485, 147791), (491, 145985), (679, 105565), (1505, 47627), (2455, 29197), (3395, 21113), (3437, 20855), (4171, 17185)]