28165408

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 29580896

約数列:

[1, 2, 4, 8, 16, 32, 47, 61, 94, 122, 188, 244, 307, 376, 488, 614, 752, 976, 1228, 1504, 1952, 2456, 2867, 4912, 5734, 9824, 11468, 14429, 18727, 22936, 28858, 37454, 45872, 57716, 74908, 91744, 115432, 149816, 230864, 299632, 461728, 599264, 880169, 1760338, 3520676, 7041352, 14082704, 28165408]

約数ペア:

[(1, 28165408), (2, 14082704), (4, 7041352), (8, 3520676), (16, 1760338), (32, 880169), (47, 599264), (61, 461728), (94, 299632), (122, 230864), (188, 149816), (244, 115432), (307, 91744), (376, 74908), (488, 57716), (614, 45872), (752, 37454), (976, 28858), (1228, 22936), (1504, 18727), (1952, 14429), (2456, 11468), (2867, 9824), (4912, 5734)]