989490812

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{26717}}^1$

素因数の和:26965

約数の個数: 24

約数和(自身を含む): 1777495104

約数和(自身を除く): 788004292

約数列:

[1, 2, 4, 47, 94, 188, 197, 394, 788, 9259, 18518, 26717, 37036, 53434, 106868, 1255699, 2511398, 5022796, 5263249, 10526498, 21052996, 247372703, 494745406, 989490812]

約数ペア:

[(1, 989490812), (2, 494745406), (4, 247372703), (47, 21052996), (94, 10526498), (188, 5263249), (197, 5022796), (394, 2511398), (788, 1255699), (9259, 106868), (18518, 53434), (26717, 37036)]