81781992

素因数分解:

$2^3\times 3^2\times {\mathrm{1135861}}^1$

素因数の和:1135873

約数の個数: 24

約数和(自身を含む): 221493090

約数和(自身を除く): 139711098

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1135861, 2271722, 3407583, 4543444, 6815166, 9086888, 10222749, 13630332, 20445498, 27260664, 40890996, 81781992]

約数ペア:

[(1, 81781992), (2, 40890996), (3, 27260664), (4, 20445498), (6, 13630332), (8, 10222749), (9, 9086888), (12, 6815166), (18, 4543444), (24, 3407583), (36, 2271722), (72, 1135861)]