71573978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 65283622

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 89, 109, 119, 178, 217, 218, 238, 434, 527, 623, 763, 1054, 1246, 1513, 1526, 1853, 2759, 3026, 3379, 3689, 3706, 5518, 6758, 7378, 9701, 10591, 12971, 19313, 19402, 21182, 23653, 25942, 38626, 46903, 47306, 57443, 67907, 93806, 114886, 135814, 164917, 300731, 328321, 329834, 402101, 601462, 656642, 804202, 1154419, 2105117, 2308838, 4210234, 5112427, 10224854, 35786989, 71573978]

約数ペア:

[(1, 71573978), (2, 35786989), (7, 10224854), (14, 5112427), (17, 4210234), (31, 2308838), (34, 2105117), (62, 1154419), (89, 804202), (109, 656642), (119, 601462), (178, 402101), (217, 329834), (218, 328321), (238, 300731), (434, 164917), (527, 135814), (623, 114886), (763, 93806), (1054, 67907), (1246, 57443), (1513, 47306), (1526, 46903), (1853, 38626), (2759, 25942), (3026, 23653), (3379, 21182), (3689, 19402), (3706, 19313), (5518, 12971), (6758, 10591), (7378, 9701)]