28978365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 50279040

約数和(自身を除く): 21300675

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 859, 865, 2249, 2577, 2595, 4295, 6747, 11167, 11245, 12885, 33501, 33735, 55835, 148607, 167505, 445821, 743035, 1931891, 2229105, 5795673, 9659455, 28978365]

約数ペア:

[(1, 28978365), (3, 9659455), (5, 5795673), (13, 2229105), (15, 1931891), (39, 743035), (65, 445821), (173, 167505), (195, 148607), (519, 55835), (859, 33735), (865, 33501), (2249, 12885), (2577, 11245), (2595, 11167), (4295, 6747)]