221221798

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{1201}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 387717120

約数和(自身を除く): 166495322

約数列:

[1, 2, 7, 14, 59, 118, 223, 413, 446, 826, 1201, 1561, 2402, 3122, 8407, 13157, 16814, 26314, 70859, 92099, 141718, 184198, 267823, 496013, 535646, 992026, 1874761, 3749522, 15801557, 31603114, 110610899, 221221798]

約数ペア:

[(1, 221221798), (2, 110610899), (7, 31603114), (14, 15801557), (59, 3749522), (118, 1874761), (223, 992026), (413, 535646), (446, 496013), (826, 267823), (1201, 184198), (1561, 141718), (2402, 92099), (3122, 70859), (8407, 26314), (13157, 16814)]