2780458879

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 3309465600

約数和(自身を除く): 529006721

約数列:

[1, 11, 19, 89, 107, 121, 127, 209, 979, 1177, 1397, 1691, 2033, 2299, 2413, 9523, 10769, 11303, 12947, 13589, 15367, 18601, 22363, 26543, 104753, 124333, 149479, 180937, 204611, 214757, 245993, 258191, 291973, 1152283, 1209421, 1367663, 1644269, 1990307, 2362327, 2840101, 13303631, 21893377, 22978999, 25985597, 31241111, 146339941, 252768989, 2780458879]

約数ペア:

[(1, 2780458879), (11, 252768989), (19, 146339941), (89, 31241111), (107, 25985597), (121, 22978999), (127, 21893377), (209, 13303631), (979, 2840101), (1177, 2362327), (1397, 1990307), (1691, 1644269), (2033, 1367663), (2299, 1209421), (2413, 1152283), (9523, 291973), (10769, 258191), (11303, 245993), (12947, 214757), (13589, 204611), (15367, 180937), (18601, 149479), (22363, 124333), (26543, 104753)]