381936385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 498936960

約数和(自身を除く): 117000575

約数列:

[1, 5, 19, 37, 95, 185, 193, 563, 703, 965, 2815, 3515, 3667, 7141, 10697, 18335, 20831, 35705, 53485, 104155, 108659, 135679, 395789, 543295, 678395, 1978945, 2064521, 4020383, 10322605, 20101915, 76387277, 381936385]

約数ペア:

[(1, 381936385), (5, 76387277), (19, 20101915), (37, 10322605), (95, 4020383), (185, 2064521), (193, 1978945), (563, 678395), (703, 543295), (965, 395789), (2815, 135679), (3515, 108659), (3667, 104155), (7141, 53485), (10697, 35705), (18335, 20831)]