156972578

素因数分解:

$2^1\times 7^4\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 40

約数和(自身を含む): 278340972

約数和(自身を除く): 121368394

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 337, 343, 674, 679, 686, 1358, 2359, 2401, 4718, 4753, 4802, 9506, 16513, 32689, 33026, 33271, 65378, 66542, 115591, 228823, 231182, 232897, 457646, 465794, 809137, 1601761, 1618274, 3203522, 11212327, 22424654, 78486289, 156972578]

約数ペア:

[(1, 156972578), (2, 78486289), (7, 22424654), (14, 11212327), (49, 3203522), (97, 1618274), (98, 1601761), (194, 809137), (337, 465794), (343, 457646), (674, 232897), (679, 231182), (686, 228823), (1358, 115591), (2359, 66542), (2401, 65378), (4718, 33271), (4753, 33026), (4802, 32689), (9506, 16513)]