199920476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{420001}}^1$

素因数の和:420029

約数の個数: 24

約数和(自身を含む): 423362016

約数和(自身を除く): 223441540

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 420001, 840002, 1680004, 2940007, 5880014, 7140017, 11760028, 14280034, 28560068, 49980119, 99960238, 199920476]

約数ペア:

[(1, 199920476), (2, 99960238), (4, 49980119), (7, 28560068), (14, 14280034), (17, 11760028), (28, 7140017), (34, 5880014), (68, 2940007), (119, 1680004), (238, 840002), (476, 420001)]