289756588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 569026080

約数和(自身を除く): 279269492

約数列:

[1, 2, 4, 11, 22, 44, 61, 89, 122, 178, 244, 356, 671, 979, 1213, 1342, 1958, 2426, 2684, 3916, 4852, 5429, 10858, 13343, 21716, 26686, 53372, 59719, 73993, 107957, 119438, 147986, 215914, 238876, 295972, 431828, 813923, 1187527, 1627846, 2375054, 3255692, 4750108, 6585377, 13170754, 26341508, 72439147, 144878294, 289756588]

約数ペア:

[(1, 289756588), (2, 144878294), (4, 72439147), (11, 26341508), (22, 13170754), (44, 6585377), (61, 4750108), (89, 3255692), (122, 2375054), (178, 1627846), (244, 1187527), (356, 813923), (671, 431828), (979, 295972), (1213, 238876), (1342, 215914), (1958, 147986), (2426, 119438), (2684, 107957), (3916, 73993), (4852, 59719), (5429, 53372), (10858, 26686), (13343, 21716)]