991525340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{224327}}^1$

素因数の和:224366

約数の個数: 48

約数和(自身を含む): 2374287552

約数和(自身を除く): 1382762212

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 224327, 448654, 897308, 1121635, 2243270, 2916251, 3813559, 4486540, 5832502, 7627118, 11665004, 14581255, 15254236, 19067795, 29162510, 38135590, 49576267, 58325020, 76271180, 99152534, 198305068, 247881335, 495762670, 991525340]

約数ペア:

[(1, 991525340), (2, 495762670), (4, 247881335), (5, 198305068), (10, 99152534), (13, 76271180), (17, 58325020), (20, 49576267), (26, 38135590), (34, 29162510), (52, 19067795), (65, 15254236), (68, 14581255), (85, 11665004), (130, 7627118), (170, 5832502), (221, 4486540), (260, 3813559), (340, 2916251), (442, 2243270), (884, 1121635), (1105, 897308), (2210, 448654), (4420, 224327)]