219796876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{248639}}^1$

素因数の和:248673

約数の個数: 24

約数和(自身を含む): 438600960

約数和(自身を除く): 218804084

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 248639, 497278, 994556, 3232307, 4226863, 6464614, 8453726, 12929228, 16907452, 54949219, 109898438, 219796876]

約数ペア:

[(1, 219796876), (2, 109898438), (4, 54949219), (13, 16907452), (17, 12929228), (26, 8453726), (34, 6464614), (52, 4226863), (68, 3232307), (221, 994556), (442, 497278), (884, 248639)]