28215928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5119}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 29844872

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5119, 5512, 10238, 20476, 40952, 66547, 133094, 266188, 271307, 532376, 542614, 1085228, 2170456, 3526991, 7053982, 14107964, 28215928]

約数ペア:

[(1, 28215928), (2, 14107964), (4, 7053982), (8, 3526991), (13, 2170456), (26, 1085228), (52, 542614), (53, 532376), (104, 271307), (106, 266188), (212, 133094), (424, 66547), (689, 40952), (1378, 20476), (2756, 10238), (5119, 5512)]