31408208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4923

約数の個数: 40

約数和(自身を含む): 67662336

約数和(自身を除く): 36254128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 4871, 6448, 9742, 19484, 38968, 63323, 77936, 126646, 151001, 253292, 302002, 506584, 604004, 1013168, 1208008, 1963013, 2416016, 3926026, 7852052, 15704104, 31408208]

約数ペア:

[(1, 31408208), (2, 15704104), (4, 7852052), (8, 3926026), (13, 2416016), (16, 1963013), (26, 1208008), (31, 1013168), (52, 604004), (62, 506584), (104, 302002), (124, 253292), (208, 151001), (248, 126646), (403, 77936), (496, 63323), (806, 38968), (1612, 19484), (3224, 9742), (4871, 6448)]