199904678

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 319334400

約数和(自身を除く): 119429722

約数列:

[1, 2, 31, 43, 62, 86, 167, 334, 449, 898, 1333, 2666, 5177, 7181, 10354, 13919, 14362, 19307, 27838, 38614, 74983, 149966, 222611, 445222, 598517, 1197034, 2324473, 3224269, 4648946, 6448538, 99952339, 199904678]

約数ペア:

[(1, 199904678), (2, 99952339), (31, 6448538), (43, 4648946), (62, 3224269), (86, 2324473), (167, 1197034), (334, 598517), (449, 445222), (898, 222611), (1333, 149966), (2666, 74983), (5177, 38614), (7181, 27838), (10354, 19307), (13919, 14362)]