16908516

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 44844800

約数和(自身を除く): 27936284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 109, 124, 139, 186, 218, 278, 279, 327, 372, 417, 436, 556, 558, 654, 834, 981, 1116, 1251, 1308, 1668, 1962, 2502, 3379, 3924, 4309, 5004, 6758, 8618, 10137, 12927, 13516, 15151, 17236, 20274, 25854, 30302, 30411, 38781, 40548, 45453, 51708, 60604, 60822, 77562, 90906, 121644, 136359, 155124, 181812, 272718, 469681, 545436, 939362, 1409043, 1878724, 2818086, 4227129, 5636172, 8454258, 16908516]

約数ペア:

[(1, 16908516), (2, 8454258), (3, 5636172), (4, 4227129), (6, 2818086), (9, 1878724), (12, 1409043), (18, 939362), (31, 545436), (36, 469681), (62, 272718), (93, 181812), (109, 155124), (124, 136359), (139, 121644), (186, 90906), (218, 77562), (278, 60822), (279, 60604), (327, 51708), (372, 45453), (417, 40548), (436, 38781), (556, 30411), (558, 30302), (654, 25854), (834, 20274), (981, 17236), (1116, 15151), (1251, 13516), (1308, 12927), (1668, 10137), (1962, 8618), (2502, 6758), (3379, 5004), (3924, 4309)]