221623194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{6947}}^1$

素因数の和:7374

約数の個数: 32

約数和(自身を含む): 478578240

約数和(自身を除く): 256955046

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2454, 5317, 6947, 10634, 13894, 15951, 20841, 31902, 41682, 90311, 180622, 270933, 541866, 2841323, 5682646, 8523969, 17047938, 36937199, 73874398, 110811597, 221623194]

約数ペア:

[(1, 221623194), (2, 110811597), (3, 73874398), (6, 36937199), (13, 17047938), (26, 8523969), (39, 5682646), (78, 2841323), (409, 541866), (818, 270933), (1227, 180622), (2454, 90311), (5317, 41682), (6947, 31902), (10634, 20841), (13894, 15951)]