28445456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 59787840

約数和(自身を除く): 31342384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 839, 1304, 1678, 2119, 2608, 3356, 4238, 6712, 8476, 10907, 13424, 16952, 21814, 33904, 43628, 87256, 136757, 174512, 273514, 547028, 1094056, 1777841, 2188112, 3555682, 7111364, 14222728, 28445456]

約数ペア:

[(1, 28445456), (2, 14222728), (4, 7111364), (8, 3555682), (13, 2188112), (16, 1777841), (26, 1094056), (52, 547028), (104, 273514), (163, 174512), (208, 136757), (326, 87256), (652, 43628), (839, 33904), (1304, 21814), (1678, 16952), (2119, 13424), (2608, 10907), (3356, 8476), (4238, 6712)]