388628571

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 541900800

約数和(自身を除く): 153272229

約数列:

[1, 3, 47, 79, 139, 141, 237, 251, 417, 753, 3713, 6533, 10981, 11139, 11797, 19599, 19829, 32943, 34889, 35391, 59487, 104667, 516107, 931963, 1548321, 1639783, 2756231, 2795889, 4919349, 8268693, 129542857, 388628571]

約数ペア:

[(1, 388628571), (3, 129542857), (47, 8268693), (79, 4919349), (139, 2795889), (141, 2756231), (237, 1639783), (251, 1548321), (417, 931963), (753, 516107), (3713, 104667), (6533, 59487), (10981, 35391), (11139, 34889), (11797, 32943), (19599, 19829)]