290238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 635544

約数和(自身を除く): 345306

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 3721, 4758, 7442, 11163, 22326, 48373, 96746, 145119, 290238]

約数ペア:

[(1, 290238), (2, 145119), (3, 96746), (6, 48373), (13, 22326), (26, 11163), (39, 7442), (61, 4758), (78, 3721), (122, 2379), (183, 1586), (366, 793)]