311728312

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2396

約数の個数: 64

約数和(自身を含む): 698572800

約数和(自身を除く): 386844488

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 79, 124, 158, 217, 248, 316, 434, 553, 632, 868, 1106, 1736, 2212, 2273, 2449, 4424, 4546, 4898, 9092, 9796, 15911, 17143, 18184, 19592, 31822, 34286, 63644, 68572, 70463, 127288, 137144, 140926, 179567, 281852, 359134, 493241, 563704, 718268, 986482, 1256969, 1436536, 1972964, 2513938, 3945928, 5027876, 5566577, 10055752, 11133154, 22266308, 38966039, 44532616, 77932078, 155864156, 311728312]

約数ペア:

[(1, 311728312), (2, 155864156), (4, 77932078), (7, 44532616), (8, 38966039), (14, 22266308), (28, 11133154), (31, 10055752), (56, 5566577), (62, 5027876), (79, 3945928), (124, 2513938), (158, 1972964), (217, 1436536), (248, 1256969), (316, 986482), (434, 718268), (553, 563704), (632, 493241), (868, 359134), (1106, 281852), (1736, 179567), (2212, 140926), (2273, 137144), (2449, 127288), (4424, 70463), (4546, 68572), (4898, 63644), (9092, 34286), (9796, 31822), (15911, 19592), (17143, 18184)]