28780570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31627}}^1$

素因数の和:31654

約数の個数: 32

約数和(自身を含む): 63762048

約数和(自身を除く): 34981478

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31627, 63254, 158135, 221389, 316270, 411151, 442778, 822302, 1106945, 2055755, 2213890, 2878057, 4111510, 5756114, 14390285, 28780570]

約数ペア:

[(1, 28780570), (2, 14390285), (5, 5756114), (7, 4111510), (10, 2878057), (13, 2213890), (14, 2055755), (26, 1106945), (35, 822302), (65, 442778), (70, 411151), (91, 316270), (130, 221389), (182, 158135), (455, 63254), (910, 31627)]