686664456

素因数分解:

$2^3\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{14327}}^1$

素因数の和:16333

約数の個数: 32

約数和(自身を含む): 1717640640

約数和(自身を除く): 1030976184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1997, 3994, 5991, 7988, 11982, 14327, 15976, 23964, 28654, 42981, 47928, 57308, 85962, 114616, 171924, 343848, 28611019, 57222038, 85833057, 114444076, 171666114, 228888152, 343332228, 686664456]

約数ペア:

[(1, 686664456), (2, 343332228), (3, 228888152), (4, 171666114), (6, 114444076), (8, 85833057), (12, 57222038), (24, 28611019), (1997, 343848), (3994, 171924), (5991, 114616), (7988, 85962), (11982, 57308), (14327, 47928), (15976, 42981), (23964, 28654)]