28871570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31727}}^1$

素因数の和:31754

約数の個数: 32

約数和(自身を含む): 63963648

約数和(自身を除く): 35092078

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31727, 63454, 158635, 222089, 317270, 412451, 444178, 824902, 1110445, 2062255, 2220890, 2887157, 4124510, 5774314, 14435785, 28871570]

約数ペア:

[(1, 28871570), (2, 14435785), (5, 5774314), (7, 4124510), (10, 2887157), (13, 2220890), (14, 2062255), (26, 1110445), (35, 824902), (65, 444178), (70, 412451), (91, 317270), (130, 222089), (182, 158635), (455, 63454), (910, 31727)]