78397210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{77621}}^1$

素因数の和:77729

約数の個数: 16

約数和(自身を含む): 142513992

約数和(自身を除く): 64116782

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 77621, 155242, 388105, 776210, 7839721, 15679442, 39198605, 78397210]

約数ペア:

[(1, 78397210), (2, 39198605), (5, 15679442), (10, 7839721), (101, 776210), (202, 388105), (505, 155242), (1010, 77621)]