81442564

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 169739136

約数和(自身を除く): 88296572

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 287, 427, 574, 854, 1148, 1163, 1708, 2326, 2501, 4652, 5002, 8141, 10004, 16282, 17507, 32564, 35014, 47683, 70028, 70943, 95366, 141886, 190732, 283772, 333781, 496601, 667562, 993202, 1335124, 1986404, 2908663, 5817326, 11634652, 20360641, 40721282, 81442564]

約数ペア:

[(1, 81442564), (2, 40721282), (4, 20360641), (7, 11634652), (14, 5817326), (28, 2908663), (41, 1986404), (61, 1335124), (82, 993202), (122, 667562), (164, 496601), (244, 333781), (287, 283772), (427, 190732), (574, 141886), (854, 95366), (1148, 70943), (1163, 70028), (1708, 47683), (2326, 35014), (2501, 32564), (4652, 17507), (5002, 16282), (8141, 10004)]