81379278

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 194088960

約数和(自身を除く): 112709682

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 47, 58, 62, 87, 93, 94, 107, 141, 174, 186, 214, 261, 279, 282, 321, 423, 522, 558, 642, 846, 899, 963, 1363, 1457, 1798, 1926, 2697, 2726, 2914, 3103, 3317, 4089, 4371, 5029, 5394, 6206, 6634, 8091, 8178, 8742, 9309, 9951, 10058, 12267, 13113, 15087, 16182, 18618, 19902, 24534, 26226, 27927, 29853, 30174, 42253, 45261, 55854, 59706, 84506, 90522, 96193, 126759, 145841, 155899, 192386, 253518, 288579, 291682, 311798, 380277, 437523, 467697, 577158, 760554, 865737, 875046, 935394, 1312569, 1403091, 1731474, 2625138, 2806182, 4521071, 9042142, 13563213, 27126426, 40689639, 81379278]

約数ペア:

[(1, 81379278), (2, 40689639), (3, 27126426), (6, 13563213), (9, 9042142), (18, 4521071), (29, 2806182), (31, 2625138), (47, 1731474), (58, 1403091), (62, 1312569), (87, 935394), (93, 875046), (94, 865737), (107, 760554), (141, 577158), (174, 467697), (186, 437523), (214, 380277), (261, 311798), (279, 291682), (282, 288579), (321, 253518), (423, 192386), (522, 155899), (558, 145841), (642, 126759), (846, 96193), (899, 90522), (963, 84506), (1363, 59706), (1457, 55854), (1798, 45261), (1926, 42253), (2697, 30174), (2726, 29853), (2914, 27927), (3103, 26226), (3317, 24534), (4089, 19902), (4371, 18618), (5029, 16182), (5394, 15087), (6206, 13113), (6634, 12267), (8091, 10058), (8178, 9951), (8742, 9309)]