15215830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{217369}}^1$

素因数の和:217383

約数の個数: 16

約数和(自身を含む): 31301280

約数和(自身を除く): 16085450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 217369, 434738, 1086845, 1521583, 2173690, 3043166, 7607915, 15215830]

約数ペア:

[(1, 15215830), (2, 7607915), (5, 3043166), (7, 2173690), (10, 1521583), (14, 1086845), (35, 434738), (70, 217369)]