81317448

素因数分解:

$2^3\times 3^2\times {\mathrm{1129409}}^1$

素因数の和:1129421

約数の個数: 24

約数和(自身を含む): 220234950

約数和(自身を除く): 138917502

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129409, 2258818, 3388227, 4517636, 6776454, 9035272, 10164681, 13552908, 20329362, 27105816, 40658724, 81317448]

約数ペア:

[(1, 81317448), (2, 40658724), (3, 27105816), (4, 20329362), (6, 13552908), (8, 10164681), (9, 9035272), (12, 6776454), (18, 4517636), (24, 3388227), (36, 2258818), (72, 1129409)]