220402

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:202

約数の個数: 24

約数和(自身を含む): 416556

約数和(自身を除く): 196154

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 173, 182, 346, 637, 1211, 1274, 2249, 2422, 4498, 8477, 15743, 16954, 31486, 110201, 220402]

約数ペア:

[(1, 220402), (2, 110201), (7, 31486), (13, 16954), (14, 15743), (26, 8477), (49, 4498), (91, 2422), (98, 2249), (173, 1274), (182, 1211), (346, 637)]