221740818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{21701}}^1$

素因数の和:21850

約数の個数: 32

約数和(自身を含む): 481263552

約数和(自身を除く): 259522734

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 21701, 43402, 65103, 130206, 282113, 564226, 846339, 1692678, 2842831, 5685662, 8528493, 17056986, 36956803, 73913606, 110870409, 221740818]

約数ペア:

[(1, 221740818), (2, 110870409), (3, 73913606), (6, 36956803), (13, 17056986), (26, 8528493), (39, 5685662), (78, 2842831), (131, 1692678), (262, 846339), (393, 564226), (786, 282113), (1703, 130206), (3406, 65103), (5109, 43402), (10218, 21701)]