81298266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 190771200

約数和(自身を除く): 109472934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 137, 142, 199, 213, 274, 398, 411, 426, 497, 597, 822, 959, 994, 1194, 1393, 1491, 1918, 2786, 2877, 2982, 4179, 5754, 8358, 9727, 14129, 19454, 27263, 28258, 29181, 42387, 54526, 58362, 68089, 81789, 84774, 98903, 136178, 163578, 190841, 197806, 204267, 296709, 381682, 408534, 572523, 593418, 1145046, 1935673, 3871346, 5807019, 11614038, 13549711, 27099422, 40649133, 81298266]

約数ペア:

[(1, 81298266), (2, 40649133), (3, 27099422), (6, 13549711), (7, 11614038), (14, 5807019), (21, 3871346), (42, 1935673), (71, 1145046), (137, 593418), (142, 572523), (199, 408534), (213, 381682), (274, 296709), (398, 204267), (411, 197806), (426, 190841), (497, 163578), (597, 136178), (822, 98903), (959, 84774), (994, 81789), (1194, 68089), (1393, 58362), (1491, 54526), (1918, 42387), (2786, 29181), (2877, 28258), (2982, 27263), (4179, 19454), (5754, 14129), (8358, 9727)]