281435516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{1993}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 504832944

約数和(自身を除く): 223397428

約数列:

[1, 2, 4, 43, 86, 172, 821, 1642, 1993, 3284, 3986, 7972, 35303, 70606, 85699, 141212, 171398, 342796, 1636253, 3272506, 6545012, 70358879, 140717758, 281435516]

約数ペア:

[(1, 281435516), (2, 140717758), (4, 70358879), (43, 6545012), (86, 3272506), (172, 1636253), (821, 342796), (1642, 171398), (1993, 141212), (3284, 85699), (3986, 70606), (7972, 35303)]