28471456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 61122600

約数和(自身を除く): 32651144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 356, 416, 712, 769, 1157, 1424, 1538, 2314, 2848, 3076, 4628, 6152, 9256, 9997, 12304, 18512, 19994, 24608, 37024, 39988, 68441, 79976, 136882, 159952, 273764, 319904, 547528, 889733, 1095056, 1779466, 2190112, 3558932, 7117864, 14235728, 28471456]

約数ペア:

[(1, 28471456), (2, 14235728), (4, 7117864), (8, 3558932), (13, 2190112), (16, 1779466), (26, 1095056), (32, 889733), (52, 547528), (89, 319904), (104, 273764), (178, 159952), (208, 136882), (356, 79976), (416, 68441), (712, 39988), (769, 37024), (1157, 24608), (1424, 19994), (1538, 18512), (2314, 12304), (2848, 9997), (3076, 9256), (4628, 6152)]