15317778815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1\times {\mathrm{1997}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 19495365120

約数和(自身を除く): 4177586305

約数列:

[1, 5, 19, 95, 263, 307, 1315, 1535, 1997, 4997, 5833, 9985, 24985, 29165, 37943, 80741, 189715, 403705, 525211, 613079, 1534079, 2626055, 3065395, 7670395, 9979009, 11648501, 49895045, 58242505, 161239777, 806198885, 3063555763, 15317778815]

約数ペア:

[(1, 15317778815), (5, 3063555763), (19, 806198885), (95, 161239777), (263, 58242505), (307, 49895045), (1315, 11648501), (1535, 9979009), (1997, 7670395), (4997, 3065395), (5833, 2626055), (9985, 1534079), (24985, 613079), (29165, 525211), (37943, 403705), (80741, 189715)]