681569654

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 1063290240

約数和(自身を除く): 381720586

約数列:

[1, 2, 47, 89, 94, 178, 257, 317, 514, 634, 4183, 8366, 12079, 14899, 22873, 24158, 28213, 29798, 45746, 56426, 81469, 162938, 1075031, 1326011, 2150062, 2652022, 3829043, 7250741, 7658086, 14501482, 340784827, 681569654]

約数ペア:

[(1, 681569654), (2, 340784827), (47, 14501482), (89, 7658086), (94, 7250741), (178, 3829043), (257, 2652022), (317, 2150062), (514, 1326011), (634, 1075031), (4183, 162938), (8366, 81469), (12079, 56426), (14899, 45746), (22873, 29798), (24158, 28213)]