81782988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57271}}^1$

素因数の和:57302

約数の個数: 48

約数和(自身を含む): 230920704

約数和(自身を除く): 149137716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 57271, 114542, 171813, 229084, 343626, 400897, 687252, 801794, 973607, 1202691, 1603588, 1947214, 2405382, 2920821, 3894428, 4810764, 5841642, 6815249, 11683284, 13630498, 20445747, 27260996, 40891494, 81782988]

約数ペア:

[(1, 81782988), (2, 40891494), (3, 27260996), (4, 20445747), (6, 13630498), (7, 11683284), (12, 6815249), (14, 5841642), (17, 4810764), (21, 3894428), (28, 2920821), (34, 2405382), (42, 1947214), (51, 1603588), (68, 1202691), (84, 973607), (102, 801794), (119, 687252), (204, 400897), (238, 343626), (357, 229084), (476, 171813), (714, 114542), (1428, 57271)]