201505904

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{122273}}^1$

素因数の和:122384

約数の個数: 20

約数和(自身を含む): 394211376

約数和(自身を除く): 192705472

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 122273, 244546, 489092, 978184, 1956368, 12594119, 25188238, 50376476, 100752952, 201505904]

約数ペア:

[(1, 201505904), (2, 100752952), (4, 50376476), (8, 25188238), (16, 12594119), (103, 1956368), (206, 978184), (412, 489092), (824, 244546), (1648, 122273)]