779641668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{87679}}^1$

素因数の和:87721

約数の個数: 72

約数和(自身を含む): 2234086400

約数和(自身を除く): 1454444732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 87679, 175358, 263037, 350716, 526074, 789111, 1052148, 1139827, 1578222, 1665901, 2279654, 3156444, 3331802, 3419481, 4559308, 4997703, 6663604, 6838962, 9995406, 10258443, 13677924, 14993109, 19990812, 20516886, 21656713, 29986218, 41033772, 43313426, 59972436, 64970139, 86626852, 129940278, 194910417, 259880556, 389820834, 779641668]

約数ペア:

[(1, 779641668), (2, 389820834), (3, 259880556), (4, 194910417), (6, 129940278), (9, 86626852), (12, 64970139), (13, 59972436), (18, 43313426), (19, 41033772), (26, 29986218), (36, 21656713), (38, 20516886), (39, 19990812), (52, 14993109), (57, 13677924), (76, 10258443), (78, 9995406), (114, 6838962), (117, 6663604), (156, 4997703), (171, 4559308), (228, 3419481), (234, 3331802), (247, 3156444), (342, 2279654), (468, 1665901), (494, 1578222), (684, 1139827), (741, 1052148), (988, 789111), (1482, 526074), (2223, 350716), (2964, 263037), (4446, 175358), (8892, 87679)]