25142348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 31790164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 121, 154, 164, 181, 242, 287, 308, 362, 451, 484, 574, 724, 847, 902, 1148, 1267, 1694, 1804, 1991, 2534, 3157, 3388, 3982, 4961, 5068, 6314, 7421, 7964, 9922, 12628, 13937, 14842, 19844, 21901, 27874, 29684, 34727, 43802, 51947, 55748, 69454, 81631, 87604, 103894, 138908, 153307, 163262, 207788, 306614, 326524, 571417, 613228, 897941, 1142834, 1795882, 2285668, 3591764, 6285587, 12571174, 25142348]

約数ペア:

[(1, 25142348), (2, 12571174), (4, 6285587), (7, 3591764), (11, 2285668), (14, 1795882), (22, 1142834), (28, 897941), (41, 613228), (44, 571417), (77, 326524), (82, 306614), (121, 207788), (154, 163262), (164, 153307), (181, 138908), (242, 103894), (287, 87604), (308, 81631), (362, 69454), (451, 55748), (484, 51947), (574, 43802), (724, 34727), (847, 29684), (902, 27874), (1148, 21901), (1267, 19844), (1694, 14842), (1804, 13937), (1991, 12628), (2534, 9922), (3157, 7964), (3388, 7421), (3982, 6314), (4961, 5068)]