64181516

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 133116480

約数和(自身を除く): 68934964

約数列:

[1, 2, 4, 7, 14, 28, 53, 61, 106, 122, 212, 244, 371, 427, 709, 742, 854, 1418, 1484, 1708, 2836, 3233, 4963, 6466, 9926, 12932, 19852, 22631, 37577, 43249, 45262, 75154, 86498, 90524, 150308, 172996, 263039, 302743, 526078, 605486, 1052156, 1210972, 2292197, 4584394, 9168788, 16045379, 32090758, 64181516]

約数ペア:

[(1, 64181516), (2, 32090758), (4, 16045379), (7, 9168788), (14, 4584394), (28, 2292197), (53, 1210972), (61, 1052156), (106, 605486), (122, 526078), (212, 302743), (244, 263039), (371, 172996), (427, 150308), (709, 90524), (742, 86498), (854, 75154), (1418, 45262), (1484, 43249), (1708, 37577), (2836, 22631), (3233, 19852), (4963, 12932), (6466, 9926)]