680689438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 1242501120

約数和(自身を除く): 561811682

約数列:

[1, 2, 11, 13, 22, 26, 47, 79, 94, 143, 158, 286, 517, 611, 641, 869, 1027, 1034, 1222, 1282, 1738, 2054, 3713, 6721, 7051, 7426, 8333, 11297, 13442, 14102, 16666, 22594, 30127, 40843, 48269, 50639, 60254, 81686, 91663, 96538, 101278, 183326, 331397, 391651, 530959, 557029, 658307, 662794, 783302, 1061918, 1114058, 1316614, 2380033, 4308161, 4760066, 7241377, 8616322, 14482754, 26180363, 30940429, 52360726, 61880858, 340344719, 680689438]

約数ペア:

[(1, 680689438), (2, 340344719), (11, 61880858), (13, 52360726), (22, 30940429), (26, 26180363), (47, 14482754), (79, 8616322), (94, 7241377), (143, 4760066), (158, 4308161), (286, 2380033), (517, 1316614), (611, 1114058), (641, 1061918), (869, 783302), (1027, 662794), (1034, 658307), (1222, 557029), (1282, 530959), (1738, 391651), (2054, 331397), (3713, 183326), (6721, 101278), (7051, 96538), (7426, 91663), (8333, 81686), (11297, 60254), (13442, 50639), (14102, 48269), (16666, 40843), (22594, 30127)]