61771871

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 76640256

約数和(自身を除く): 14868385

約数列:

[1, 7, 31, 41, 53, 131, 217, 287, 371, 917, 1271, 1643, 2173, 4061, 5371, 6943, 8897, 11501, 15211, 28427, 37597, 48601, 67363, 166501, 215233, 284663, 471541, 1165507, 1506631, 1992641, 8824553, 61771871]

約数ペア:

[(1, 61771871), (7, 8824553), (31, 1992641), (41, 1506631), (53, 1165507), (131, 471541), (217, 284663), (287, 215233), (371, 166501), (917, 67363), (1271, 48601), (1643, 37597), (2173, 28427), (4061, 15211), (5371, 11501), (6943, 8897)]