71557790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 133786080

約数和(自身を除く): 62228290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 443, 557, 886, 1114, 2215, 2785, 4430, 5570, 12847, 16153, 25694, 32306, 64235, 80765, 128470, 161530, 246751, 493502, 1233755, 2467510, 7155779, 14311558, 35778895, 71557790]

約数ペア:

[(1, 71557790), (2, 35778895), (5, 14311558), (10, 7155779), (29, 2467510), (58, 1233755), (145, 493502), (290, 246751), (443, 161530), (557, 128470), (886, 80765), (1114, 64235), (2215, 32306), (2785, 25694), (4430, 16153), (5570, 12847)]