289687788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{618991}}^1$

素因数の和:619014

約数の個数: 36

約数和(自身を含む): 788595808

約数和(自身を除く): 498908020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 618991, 1237982, 1856973, 2475964, 3713946, 5570919, 7427892, 8046883, 11141838, 16093766, 22283676, 24140649, 32187532, 48281298, 72421947, 96562596, 144843894, 289687788]

約数ペア:

[(1, 289687788), (2, 144843894), (3, 96562596), (4, 72421947), (6, 48281298), (9, 32187532), (12, 24140649), (13, 22283676), (18, 16093766), (26, 11141838), (36, 8046883), (39, 7427892), (52, 5570919), (78, 3713946), (117, 2475964), (156, 1856973), (234, 1237982), (468, 618991)]