15881008

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 60

約数和(自身を含む): 36480304

約数和(自身を除く): 20599296

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 631, 968, 1144, 1262, 1573, 1936, 2288, 2524, 3146, 5048, 6292, 6941, 8203, 10096, 12584, 13882, 16406, 25168, 27764, 32812, 55528, 65624, 76351, 90233, 111056, 131248, 152702, 180466, 305404, 360932, 610808, 721864, 992563, 1221616, 1443728, 1985126, 3970252, 7940504, 15881008]

約数ペア:

[(1, 15881008), (2, 7940504), (4, 3970252), (8, 1985126), (11, 1443728), (13, 1221616), (16, 992563), (22, 721864), (26, 610808), (44, 360932), (52, 305404), (88, 180466), (104, 152702), (121, 131248), (143, 111056), (176, 90233), (208, 76351), (242, 65624), (286, 55528), (484, 32812), (572, 27764), (631, 25168), (968, 16406), (1144, 13882), (1262, 12584), (1573, 10096), (1936, 8203), (2288, 6941), (2524, 6292), (3146, 5048)]