28191372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 76332480

約数和(自身を除く): 48141108

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 561, 578, 739, 748, 867, 1122, 1156, 1478, 1734, 2217, 2244, 2956, 3179, 3468, 4434, 6358, 8129, 8868, 9537, 12563, 12716, 16258, 19074, 24387, 25126, 32516, 37689, 38148, 48774, 50252, 75378, 97548, 138193, 150756, 213571, 276386, 414579, 427142, 552772, 640713, 829158, 854284, 1281426, 1658316, 2349281, 2562852, 4698562, 7047843, 9397124, 14095686, 28191372]

約数ペア:

[(1, 28191372), (2, 14095686), (3, 9397124), (4, 7047843), (6, 4698562), (11, 2562852), (12, 2349281), (17, 1658316), (22, 1281426), (33, 854284), (34, 829158), (44, 640713), (51, 552772), (66, 427142), (68, 414579), (102, 276386), (132, 213571), (187, 150756), (204, 138193), (289, 97548), (374, 75378), (561, 50252), (578, 48774), (739, 38148), (748, 37689), (867, 32516), (1122, 25126), (1156, 24387), (1478, 19074), (1734, 16258), (2217, 12716), (2244, 12563), (2956, 9537), (3179, 8868), (3468, 8129), (4434, 6358)]