331489715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 437705856

約数和(自身を除く): 106216141

約数列:

[1, 5, 17, 41, 73, 85, 205, 365, 697, 1241, 1303, 2993, 3485, 6205, 6515, 14965, 22151, 50881, 53423, 95119, 110755, 254405, 267115, 475595, 908191, 1617023, 3899879, 4540955, 8085115, 19499395, 66297943, 331489715]

約数ペア:

[(1, 331489715), (5, 66297943), (17, 19499395), (41, 8085115), (73, 4540955), (85, 3899879), (205, 1617023), (365, 908191), (697, 475595), (1241, 267115), (1303, 254405), (2993, 110755), (3485, 95119), (6205, 53423), (6515, 50881), (14965, 22151)]