217470896

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{140123}}^1$

素因数の和:140228

約数の個数: 20

約数和(自身を含む): 425696712

約数和(自身を除く): 208225816

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 140123, 280246, 560492, 1120984, 2241968, 13591931, 27183862, 54367724, 108735448, 217470896]

約数ペア:

[(1, 217470896), (2, 108735448), (4, 54367724), (8, 27183862), (16, 13591931), (97, 2241968), (194, 1120984), (388, 560492), (776, 280246), (1552, 140123)]