78958209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 120176640

約数和(自身を除く): 41218431

約数列:

[1, 3, 11, 31, 33, 79, 93, 237, 341, 869, 977, 1023, 2449, 2607, 2931, 7347, 10747, 26939, 30287, 32241, 77183, 80817, 90861, 231549, 333157, 849013, 999471, 2392673, 2547039, 7178019, 26319403, 78958209]

約数ペア:

[(1, 78958209), (3, 26319403), (11, 7178019), (31, 2547039), (33, 2392673), (79, 999471), (93, 849013), (237, 333157), (341, 231549), (869, 90861), (977, 80817), (1023, 77183), (2449, 32241), (2607, 30287), (2931, 26939), (7347, 10747)]