217227458

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{1117}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 386380800

約数和(自身を除く): 169153342

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 479, 958, 1117, 2234, 3353, 6706, 7819, 13891, 15638, 27782, 32393, 64786, 97237, 194474, 226751, 453502, 535043, 1070086, 3745301, 7490602, 15516247, 31032494, 108613729, 217227458]

約数ペア:

[(1, 217227458), (2, 108613729), (7, 31032494), (14, 15516247), (29, 7490602), (58, 3745301), (203, 1070086), (406, 535043), (479, 453502), (958, 226751), (1117, 194474), (2234, 97237), (3353, 64786), (6706, 32393), (7819, 27782), (13891, 15638)]