211318458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{20681}}^1$

素因数の和:20830

約数の個数: 32

約数和(自身を含む): 458644032

約数和(自身を除く): 247325574

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 20681, 41362, 62043, 124086, 268853, 537706, 806559, 1613118, 2709211, 5418422, 8127633, 16255266, 35219743, 70439486, 105659229, 211318458]

約数ペア:

[(1, 211318458), (2, 105659229), (3, 70439486), (6, 35219743), (13, 16255266), (26, 8127633), (39, 5418422), (78, 2709211), (131, 1613118), (262, 806559), (393, 537706), (786, 268853), (1703, 124086), (3406, 62043), (5109, 41362), (10218, 20681)]