81258254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17021}}^1$

素因数の和:17072

約数の個数: 32

約数和(自身を含む): 156874752

約数和(自身を除く): 75616498

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 17021, 34042, 119147, 187231, 238294, 374462, 527651, 1055302, 1310617, 2621234, 3693557, 5804161, 7387114, 11608322, 40629127, 81258254]

約数ペア:

[(1, 81258254), (2, 40629127), (7, 11608322), (11, 7387114), (14, 5804161), (22, 3693557), (31, 2621234), (62, 1310617), (77, 1055302), (154, 527651), (217, 374462), (341, 238294), (434, 187231), (682, 119147), (2387, 34042), (4774, 17021)]