389566908

素因数分解:

$2^2\times 3^5\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 1024611952

約数和(自身を除く): 635045044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 457, 486, 877, 914, 972, 1371, 1754, 1828, 2631, 2742, 3508, 4113, 5262, 5484, 7893, 8226, 10524, 12339, 15786, 16452, 23679, 24678, 31572, 37017, 47358, 49356, 71037, 74034, 94716, 111051, 142074, 148068, 213111, 222102, 284148, 400789, 426222, 444204, 801578, 852444, 1202367, 1603156, 2404734, 3607101, 4809468, 7214202, 10821303, 14428404, 21642606, 32463909, 43285212, 64927818, 97391727, 129855636, 194783454, 389566908]

約数ペア:

[(1, 389566908), (2, 194783454), (3, 129855636), (4, 97391727), (6, 64927818), (9, 43285212), (12, 32463909), (18, 21642606), (27, 14428404), (36, 10821303), (54, 7214202), (81, 4809468), (108, 3607101), (162, 2404734), (243, 1603156), (324, 1202367), (457, 852444), (486, 801578), (877, 444204), (914, 426222), (972, 400789), (1371, 284148), (1754, 222102), (1828, 213111), (2631, 148068), (2742, 142074), (3508, 111051), (4113, 94716), (5262, 74034), (5484, 71037), (7893, 49356), (8226, 47358), (10524, 37017), (12339, 31572), (15786, 24678), (16452, 23679)]