421479688

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{47939}}^1$

素因数の和:48109

約数の個数: 32

約数和(自身を含む): 908942400

約数和(自身を除く): 487462712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 47939, 95878, 191756, 335573, 383512, 671146, 1342292, 2684584, 7526423, 15052846, 30105692, 52684961, 60211384, 105369922, 210739844, 421479688]

約数ペア:

[(1, 421479688), (2, 210739844), (4, 105369922), (7, 60211384), (8, 52684961), (14, 30105692), (28, 15052846), (56, 7526423), (157, 2684584), (314, 1342292), (628, 671146), (1099, 383512), (1256, 335573), (2198, 191756), (4396, 95878), (8792, 47939)]