138697972

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 282741760

約数和(自身を除く): 144043788

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 223, 229, 388, 446, 458, 679, 892, 916, 1358, 1561, 1603, 2716, 3122, 3206, 6244, 6412, 21631, 22213, 43262, 44426, 51067, 86524, 88852, 102134, 151417, 155491, 204268, 302834, 310982, 357469, 605668, 621964, 714938, 1429876, 4953499, 9906998, 19813996, 34674493, 69348986, 138697972]

約数ペア:

[(1, 138697972), (2, 69348986), (4, 34674493), (7, 19813996), (14, 9906998), (28, 4953499), (97, 1429876), (194, 714938), (223, 621964), (229, 605668), (388, 357469), (446, 310982), (458, 302834), (679, 204268), (892, 155491), (916, 151417), (1358, 102134), (1561, 88852), (1603, 86524), (2716, 51067), (3122, 44426), (3206, 43262), (6244, 22213), (6412, 21631)]