78771798

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208391}}^1$

素因数の和:208409

約数の個数: 32

約数和(自身を含む): 200056320

約数和(自身を除く): 121284522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208391, 416782, 625173, 1250346, 1458737, 1875519, 2917474, 3751038, 4376211, 5626557, 8752422, 11253114, 13128633, 26257266, 39385899, 78771798]

約数ペア:

[(1, 78771798), (2, 39385899), (3, 26257266), (6, 13128633), (7, 11253114), (9, 8752422), (14, 5626557), (18, 4376211), (21, 3751038), (27, 2917474), (42, 1875519), (54, 1458737), (63, 1250346), (126, 625173), (189, 416782), (378, 208391)]