78978554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 128511360

約数和(自身を除く): 49532806

約数列:

[1, 2, 19, 38, 71, 73, 142, 146, 401, 802, 1349, 1387, 2698, 2774, 5183, 7619, 10366, 15238, 28471, 29273, 56942, 58546, 98477, 196954, 540949, 556187, 1081898, 1112374, 2078383, 4156766, 39489277, 78978554]

約数ペア:

[(1, 78978554), (2, 39489277), (19, 4156766), (38, 2078383), (71, 1112374), (73, 1081898), (142, 556187), (146, 540949), (401, 196954), (802, 98477), (1349, 58546), (1387, 56942), (2698, 29273), (2774, 28471), (5183, 15238), (7619, 10366)]