215478145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5801}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 300775680

約数和(自身を除く): 85297535

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 1615, 1955, 2185, 5801, 7429, 29005, 37145, 98617, 110219, 133423, 493085, 551095, 667115, 1873723, 2268191, 2535037, 9368615, 11340955, 12675185, 43095629, 215478145]

約数ペア:

[(1, 215478145), (5, 43095629), (17, 12675185), (19, 11340955), (23, 9368615), (85, 2535037), (95, 2268191), (115, 1873723), (323, 667115), (391, 551095), (437, 493085), (1615, 133423), (1955, 110219), (2185, 98617), (5801, 37145), (7429, 29005)]