74747725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 107618112

約数和(自身を除く): 32870387

約数列:

[1, 5, 13, 17, 25, 65, 83, 85, 163, 221, 325, 415, 425, 815, 1079, 1105, 1411, 2075, 2119, 2771, 4075, 5395, 5525, 7055, 10595, 13529, 13855, 18343, 26975, 35275, 36023, 52975, 67645, 69275, 91715, 175877, 180115, 229993, 338225, 458575, 879385, 900575, 1149965, 2989909, 4396925, 5749825, 14949545, 74747725]

約数ペア:

[(1, 74747725), (5, 14949545), (13, 5749825), (17, 4396925), (25, 2989909), (65, 1149965), (83, 900575), (85, 879385), (163, 458575), (221, 338225), (325, 229993), (415, 180115), (425, 175877), (815, 91715), (1079, 69275), (1105, 67645), (1411, 52975), (2075, 36023), (2119, 35275), (2771, 26975), (4075, 18343), (5395, 13855), (5525, 13529), (7055, 10595)]