278300258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{20747}}^1$

素因数の和:21121

約数の個数: 16

約数和(自身を含む): 440687520

約数和(自身を除く): 162387262

約数列:

[1, 2, 19, 38, 353, 706, 6707, 13414, 20747, 41494, 394193, 788386, 7323691, 14647382, 139150129, 278300258]

約数ペア:

[(1, 278300258), (2, 139150129), (19, 14647382), (38, 7323691), (353, 788386), (706, 394193), (6707, 41494), (13414, 20747)]