12720488

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 27794340

約数和(自身を除く): 15073852

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 773, 968, 1496, 1546, 2057, 3092, 4114, 6184, 8228, 8503, 13141, 16456, 17006, 26282, 34012, 52564, 68024, 93533, 105128, 144551, 187066, 289102, 374132, 578204, 748264, 1156408, 1590061, 3180122, 6360244, 12720488]

約数ペア:

[(1, 12720488), (2, 6360244), (4, 3180122), (8, 1590061), (11, 1156408), (17, 748264), (22, 578204), (34, 374132), (44, 289102), (68, 187066), (88, 144551), (121, 105128), (136, 93533), (187, 68024), (242, 52564), (374, 34012), (484, 26282), (748, 17006), (773, 16456), (968, 13141), (1496, 8503), (1546, 8228), (2057, 6184), (3092, 4114)]