27901678

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 49464000

約数和(自身を除く): 21562322

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 457, 623, 686, 914, 1246, 3199, 4361, 6398, 8722, 22393, 30527, 40673, 44786, 61054, 81346, 156751, 284711, 313502, 569422, 1992977, 3985954, 13950839, 27901678]

約数ペア:

[(1, 27901678), (2, 13950839), (7, 3985954), (14, 1992977), (49, 569422), (89, 313502), (98, 284711), (178, 156751), (343, 81346), (457, 61054), (623, 44786), (686, 40673), (914, 30527), (1246, 22393), (3199, 8722), (4361, 6398)]