209981954

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{164821}}^1$

素因数の和:164850

約数の個数: 24

約数和(自身を含む): 394583868

約数和(自身を除く): 184601914

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 164821, 329642, 1153747, 2142673, 2307494, 4285346, 8076229, 14998711, 16152458, 29997422, 104990977, 209981954]

約数ペア:

[(1, 209981954), (2, 104990977), (7, 29997422), (13, 16152458), (14, 14998711), (26, 8076229), (49, 4285346), (91, 2307494), (98, 2142673), (182, 1153747), (637, 329642), (1274, 164821)]