256373676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{42139}}^1$

素因数の和:42175

約数の個数: 54

約数和(自身を含む): 701757420

約数和(自身を除く): 445383744

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 42139, 84278, 126417, 168556, 252834, 379251, 505668, 547807, 758502, 1095614, 1517004, 1643421, 2191228, 3286842, 4930263, 6573684, 7121491, 9860526, 14242982, 19721052, 21364473, 28485964, 42728946, 64093419, 85457892, 128186838, 256373676]

約数ペア:

[(1, 256373676), (2, 128186838), (3, 85457892), (4, 64093419), (6, 42728946), (9, 28485964), (12, 21364473), (13, 19721052), (18, 14242982), (26, 9860526), (36, 7121491), (39, 6573684), (52, 4930263), (78, 3286842), (117, 2191228), (156, 1643421), (169, 1517004), (234, 1095614), (338, 758502), (468, 547807), (507, 505668), (676, 379251), (1014, 252834), (1521, 168556), (2028, 126417), (3042, 84278), (6084, 42139)]