215171410

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{1307}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 393844032

約数和(自身を除く): 178672622

約数列:

[1, 2, 5, 10, 101, 163, 202, 326, 505, 815, 1010, 1307, 1630, 2614, 6535, 13070, 16463, 32926, 82315, 132007, 164630, 213041, 264014, 426082, 660035, 1065205, 1320070, 2130410, 21517141, 43034282, 107585705, 215171410]

約数ペア:

[(1, 215171410), (2, 107585705), (5, 43034282), (10, 21517141), (101, 2130410), (163, 1320070), (202, 1065205), (326, 660035), (505, 426082), (815, 264014), (1010, 213041), (1307, 164630), (1630, 132007), (2614, 82315), (6535, 32926), (13070, 16463)]