31585048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 70139520

約数和(自身を除く): 38554472

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 187, 344, 374, 473, 491, 731, 748, 946, 982, 1462, 1496, 1892, 1964, 2924, 3784, 3928, 5401, 5848, 8041, 8347, 10802, 16082, 16694, 21113, 21604, 32164, 33388, 42226, 43208, 64328, 66776, 84452, 91817, 168904, 183634, 232243, 358921, 367268, 464486, 717842, 734536, 928972, 1435684, 1857944, 2871368, 3948131, 7896262, 15792524, 31585048]

約数ペア:

[(1, 31585048), (2, 15792524), (4, 7896262), (8, 3948131), (11, 2871368), (17, 1857944), (22, 1435684), (34, 928972), (43, 734536), (44, 717842), (68, 464486), (86, 367268), (88, 358921), (136, 232243), (172, 183634), (187, 168904), (344, 91817), (374, 84452), (473, 66776), (491, 64328), (731, 43208), (748, 42226), (946, 33388), (982, 32164), (1462, 21604), (1496, 21113), (1892, 16694), (1964, 16082), (2924, 10802), (3784, 8347), (3928, 8041), (5401, 5848)]