25386004

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 27110636

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 167, 178, 244, 334, 356, 427, 623, 668, 854, 1169, 1246, 1708, 2338, 2492, 4676, 5429, 10187, 10858, 14863, 20374, 21716, 29726, 38003, 40748, 59452, 71309, 76006, 104041, 142618, 152012, 208082, 285236, 416164, 906643, 1813286, 3626572, 6346501, 12693002, 25386004]

約数ペア:

[(1, 25386004), (2, 12693002), (4, 6346501), (7, 3626572), (14, 1813286), (28, 906643), (61, 416164), (89, 285236), (122, 208082), (167, 152012), (178, 142618), (244, 104041), (334, 76006), (356, 71309), (427, 59452), (623, 40748), (668, 38003), (854, 29726), (1169, 21716), (1246, 20374), (1708, 14863), (2338, 10858), (2492, 10187), (4676, 5429)]