638202425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2598

約数の個数: 48

約数和(自身を含む): 953843712

約数和(自身を除く): 315641287

約数列:

[1, 5, 7, 25, 31, 35, 47, 155, 175, 217, 235, 329, 775, 1085, 1175, 1457, 1645, 2503, 5425, 7285, 8225, 10199, 12515, 17521, 36425, 50995, 62575, 77593, 87605, 117641, 254975, 387965, 438025, 543151, 588205, 823487, 1939825, 2715755, 2941025, 3646871, 4117435, 13578775, 18234355, 20587175, 25528097, 91171775, 127640485, 638202425]

約数ペア:

[(1, 638202425), (5, 127640485), (7, 91171775), (25, 25528097), (31, 20587175), (35, 18234355), (47, 13578775), (155, 4117435), (175, 3646871), (217, 2941025), (235, 2715755), (329, 1939825), (775, 823487), (1085, 588205), (1175, 543151), (1457, 438025), (1645, 387965), (2503, 254975), (5425, 117641), (7285, 87605), (8225, 77593), (10199, 62575), (12515, 50995), (17521, 36425)]