81978828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10861}}^1$

素因数の和:10922

約数の個数: 48

約数和(自身を含む): 208029024

約数和(自身を除く): 126050196

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 204, 222, 444, 629, 1258, 1887, 2516, 3774, 7548, 10861, 21722, 32583, 43444, 65166, 130332, 184637, 369274, 401857, 553911, 738548, 803714, 1107822, 1205571, 1607428, 2215644, 2411142, 4822284, 6831569, 13663138, 20494707, 27326276, 40989414, 81978828]

約数ペア:

[(1, 81978828), (2, 40989414), (3, 27326276), (4, 20494707), (6, 13663138), (12, 6831569), (17, 4822284), (34, 2411142), (37, 2215644), (51, 1607428), (68, 1205571), (74, 1107822), (102, 803714), (111, 738548), (148, 553911), (204, 401857), (222, 369274), (444, 184637), (629, 130332), (1258, 65166), (1887, 43444), (2516, 32583), (3774, 21722), (7548, 10861)]