79972018

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 144604440

約数和(自身を除く): 64632422

約数列:

[1, 2, 7, 14, 49, 53, 89, 98, 106, 173, 178, 346, 371, 623, 742, 1211, 1246, 2422, 2597, 4361, 4717, 5194, 8477, 8722, 9169, 9434, 15397, 16954, 18338, 30794, 33019, 64183, 66038, 107779, 128366, 215558, 231133, 449281, 462266, 754453, 816041, 898562, 1508906, 1632082, 5712287, 11424574, 39986009, 79972018]

約数ペア:

[(1, 79972018), (2, 39986009), (7, 11424574), (14, 5712287), (49, 1632082), (53, 1508906), (89, 898562), (98, 816041), (106, 754453), (173, 462266), (178, 449281), (346, 231133), (371, 215558), (623, 128366), (742, 107779), (1211, 66038), (1246, 64183), (2422, 33019), (2597, 30794), (4361, 18338), (4717, 16954), (5194, 15397), (8477, 9434), (8722, 9169)]