161469928

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 308853000

約数和(自身を除く): 147383072

約数列:

[1, 2, 4, 8, 61, 122, 244, 409, 488, 809, 818, 1618, 1636, 3236, 3272, 6472, 24949, 49349, 49898, 98698, 99796, 197396, 199592, 330881, 394792, 661762, 1323524, 2647048, 20183741, 40367482, 80734964, 161469928]

約数ペア:

[(1, 161469928), (2, 80734964), (4, 40367482), (8, 20183741), (61, 2647048), (122, 1323524), (244, 661762), (409, 394792), (488, 330881), (809, 199592), (818, 197396), (1618, 99796), (1636, 98698), (3236, 49898), (3272, 49349), (6472, 24949)]