816390925

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 1180241920

約数和(自身を除く): 363850995

約数列:

[1, 5, 7, 25, 35, 109, 127, 175, 337, 545, 635, 763, 889, 1685, 2359, 2725, 3175, 3815, 4445, 8425, 11795, 13843, 19075, 22225, 36733, 42799, 58975, 69215, 96901, 183665, 213995, 257131, 299593, 346075, 484505, 918325, 1069975, 1285655, 1497965, 2422525, 4665091, 6428275, 7489825, 23325455, 32655637, 116627275, 163278185, 816390925]

約数ペア:

[(1, 816390925), (5, 163278185), (7, 116627275), (25, 32655637), (35, 23325455), (109, 7489825), (127, 6428275), (175, 4665091), (337, 2422525), (545, 1497965), (635, 1285655), (763, 1069975), (889, 918325), (1685, 484505), (2359, 346075), (2725, 299593), (3175, 257131), (3815, 213995), (4445, 183665), (8425, 96901), (11795, 69215), (13843, 58975), (19075, 42799), (22225, 36733)]