68640516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{272383}}^1$

素因数の和:272400

約数の個数: 36

約数和(自身を含む): 198295552

約数和(自身を除く): 129655036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 272383, 544766, 817149, 1089532, 1634298, 1906681, 2451447, 3268596, 3813362, 4902894, 5720043, 7626724, 9805788, 11440086, 17160129, 22880172, 34320258, 68640516]

約数ペア:

[(1, 68640516), (2, 34320258), (3, 22880172), (4, 17160129), (6, 11440086), (7, 9805788), (9, 7626724), (12, 5720043), (14, 4902894), (18, 3813362), (21, 3268596), (28, 2451447), (36, 1906681), (42, 1634298), (63, 1089532), (84, 817149), (126, 544766), (252, 272383)]