280555518

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{65581}}^1$

素因数の和:65640

約数の個数: 32

約数和(自身を含む): 604403712

約数和(自身を除く): 323848194

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 713, 1426, 2139, 4278, 65581, 131162, 196743, 393486, 1508363, 2033011, 3016726, 4066022, 4525089, 6099033, 9050178, 12198066, 46759253, 93518506, 140277759, 280555518]

約数ペア:

[(1, 280555518), (2, 140277759), (3, 93518506), (6, 46759253), (23, 12198066), (31, 9050178), (46, 6099033), (62, 4525089), (69, 4066022), (93, 3016726), (138, 2033011), (186, 1508363), (713, 393486), (1426, 196743), (2139, 131162), (4278, 65581)]