31742215

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 38750400

約数和(自身を除く): 7008185

約数列:

[1, 5, 137, 149, 311, 685, 745, 1555, 20413, 42607, 46339, 102065, 213035, 231695, 6348443, 31742215]

約数ペア:

[(1, 31742215), (5, 6348443), (137, 231695), (149, 213035), (311, 102065), (685, 46339), (745, 42607), (1555, 20413)]