397510184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{18617}}^1$

素因数の和:18797

約数の個数: 32

約数和(自身を含む): 794243880

約数和(自身を除く): 396733696

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 2669, 5338, 10676, 18617, 21352, 37234, 74468, 148936, 316489, 632978, 1265956, 2531912, 2922869, 5845738, 11691476, 23382952, 49688773, 99377546, 198755092, 397510184]

約数ペア:

[(1, 397510184), (2, 198755092), (4, 99377546), (8, 49688773), (17, 23382952), (34, 11691476), (68, 5845738), (136, 2922869), (157, 2531912), (314, 1265956), (628, 632978), (1256, 316489), (2669, 148936), (5338, 74468), (10676, 37234), (18617, 21352)]