81302904

素因数分解:

$2^3\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2549}}^1$

素因数の和:3004

約数の個数: 48

約数和(自身を含む): 220779000

約数和(自身を除く): 139476096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 443, 886, 1329, 1772, 2549, 2658, 3544, 3987, 5098, 5316, 7647, 7974, 10196, 10632, 15294, 15948, 20392, 22941, 30588, 31896, 45882, 61176, 91764, 183528, 1129207, 2258414, 3387621, 4516828, 6775242, 9033656, 10162863, 13550484, 20325726, 27100968, 40651452, 81302904]

約数ペア:

[(1, 81302904), (2, 40651452), (3, 27100968), (4, 20325726), (6, 13550484), (8, 10162863), (9, 9033656), (12, 6775242), (18, 4516828), (24, 3387621), (36, 2258414), (72, 1129207), (443, 183528), (886, 91764), (1329, 61176), (1772, 45882), (2549, 31896), (2658, 30588), (3544, 22941), (3987, 20392), (5098, 15948), (5316, 15294), (7647, 10632), (7974, 10196)]