31297816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20921}}^1$

素因数の和:20955

約数の個数: 32

約数和(自身を含む): 67787280

約数和(自身を除く): 36489464

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 20921, 41842, 83684, 167368, 230131, 355657, 460262, 711314, 920524, 1422628, 1841048, 2845256, 3912227, 7824454, 15648908, 31297816]

約数ペア:

[(1, 31297816), (2, 15648908), (4, 7824454), (8, 3912227), (11, 2845256), (17, 1841048), (22, 1422628), (34, 920524), (44, 711314), (68, 460262), (88, 355657), (136, 230131), (187, 167368), (374, 83684), (748, 41842), (1496, 20921)]