128872484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{16633}}^1$

素因数の和:16799

約数の個数: 24

約数和(自身を含む): 244519800

約数和(自身を除く): 115647316

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 16633, 33266, 66532, 216229, 432458, 864916, 2478317, 4956634, 9913268, 32218121, 64436242, 128872484]

約数ペア:

[(1, 128872484), (2, 64436242), (4, 32218121), (13, 9913268), (26, 4956634), (52, 2478317), (149, 864916), (298, 432458), (596, 216229), (1937, 66532), (3874, 33266), (7748, 16633)]