7940504

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 17651760

約数和(自身を除く): 9711256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 631, 968, 1144, 1262, 1573, 2524, 3146, 5048, 6292, 6941, 8203, 12584, 13882, 16406, 27764, 32812, 55528, 65624, 76351, 90233, 152702, 180466, 305404, 360932, 610808, 721864, 992563, 1985126, 3970252, 7940504]

約数ペア:

[(1, 7940504), (2, 3970252), (4, 1985126), (8, 992563), (11, 721864), (13, 610808), (22, 360932), (26, 305404), (44, 180466), (52, 152702), (88, 90233), (104, 76351), (121, 65624), (143, 55528), (242, 32812), (286, 27764), (484, 16406), (572, 13882), (631, 12584), (968, 8203), (1144, 6941), (1262, 6292), (1573, 5048), (2524, 3146)]