78318896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157901}}^1$

素因数の和:157940

約数の個数: 20

約数和(自身を含む): 156638784

約数和(自身を除く): 78319888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 157901, 315802, 631604, 1263208, 2526416, 4894931, 9789862, 19579724, 39159448, 78318896]

約数ペア:

[(1, 78318896), (2, 39159448), (4, 19579724), (8, 9789862), (16, 4894931), (31, 2526416), (62, 1263208), (124, 631604), (248, 315802), (496, 157901)]