81019828

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{461}}^1\times {\mathrm{829}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 144947880

約数和(自身を除く): 63928052

約数列:

[1, 2, 4, 53, 106, 212, 461, 829, 922, 1658, 1844, 3316, 24433, 43937, 48866, 87874, 97732, 175748, 382169, 764338, 1528676, 20254957, 40509914, 81019828]

約数ペア:

[(1, 81019828), (2, 40509914), (4, 20254957), (53, 1528676), (106, 764338), (212, 382169), (461, 175748), (829, 97732), (922, 87874), (1658, 48866), (1844, 43937), (3316, 24433)]