289301936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 721096704

約数和(自身を除く): 431794768

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 127, 154, 172, 176, 254, 301, 308, 344, 473, 508, 602, 616, 688, 889, 946, 1016, 1204, 1232, 1397, 1778, 1849, 1892, 2032, 2408, 2794, 3311, 3556, 3698, 3784, 4816, 5461, 5588, 6622, 7112, 7396, 7568, 9779, 10922, 11176, 12943, 13244, 14224, 14792, 19558, 20339, 21844, 22352, 25886, 26488, 29584, 38227, 39116, 40678, 43688, 51772, 52976, 60071, 76454, 78232, 81356, 87376, 103544, 120142, 142373, 152908, 156464, 162712, 207088, 234823, 240284, 284746, 305816, 325424, 420497, 469646, 480568, 569492, 611632, 840994, 939292, 961136, 1138984, 1643761, 1681988, 1878584, 2277968, 2583053, 3287522, 3363976, 3757168, 5166106, 6575044, 6727952, 10332212, 13150088, 18081371, 20664424, 26300176, 36162742, 41328848, 72325484, 144650968, 289301936]

約数ペア:

[(1, 289301936), (2, 144650968), (4, 72325484), (7, 41328848), (8, 36162742), (11, 26300176), (14, 20664424), (16, 18081371), (22, 13150088), (28, 10332212), (43, 6727952), (44, 6575044), (56, 5166106), (77, 3757168), (86, 3363976), (88, 3287522), (112, 2583053), (127, 2277968), (154, 1878584), (172, 1681988), (176, 1643761), (254, 1138984), (301, 961136), (308, 939292), (344, 840994), (473, 611632), (508, 569492), (602, 480568), (616, 469646), (688, 420497), (889, 325424), (946, 305816), (1016, 284746), (1204, 240284), (1232, 234823), (1397, 207088), (1778, 162712), (1849, 156464), (1892, 152908), (2032, 142373), (2408, 120142), (2794, 103544), (3311, 87376), (3556, 81356), (3698, 78232), (3784, 76454), (4816, 60071), (5461, 52976), (5588, 51772), (6622, 43688), (7112, 40678), (7396, 39116), (7568, 38227), (9779, 29584), (10922, 26488), (11176, 25886), (12943, 22352), (13244, 21844), (14224, 20339), (14792, 19558)]