28489835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 11254165

約数列:

[1, 5, 11, 19, 55, 95, 137, 199, 209, 685, 995, 1045, 1507, 2189, 2603, 3781, 7535, 10945, 13015, 18905, 27263, 28633, 41591, 136315, 143165, 207955, 299893, 517997, 1499465, 2589985, 5697967, 28489835]

約数ペア:

[(1, 28489835), (5, 5697967), (11, 2589985), (19, 1499465), (55, 517997), (95, 299893), (137, 207955), (199, 143165), (209, 136315), (685, 41591), (995, 28633), (1045, 27263), (1507, 18905), (2189, 13015), (2603, 10945), (3781, 7535)]