261994668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{7027}}^1$

素因数の和:7286

約数の個数: 48

約数和(自身を含む): 661194240

約数和(自身を除く): 399199572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 717, 956, 1434, 2868, 3107, 6214, 7027, 9321, 12428, 14054, 18642, 21081, 28108, 37284, 42162, 84324, 91351, 182702, 274053, 365404, 548106, 1096212, 1679453, 3358906, 5038359, 6717812, 10076718, 20153436, 21832889, 43665778, 65498667, 87331556, 130997334, 261994668]

約数ペア:

[(1, 261994668), (2, 130997334), (3, 87331556), (4, 65498667), (6, 43665778), (12, 21832889), (13, 20153436), (26, 10076718), (39, 6717812), (52, 5038359), (78, 3358906), (156, 1679453), (239, 1096212), (478, 548106), (717, 365404), (956, 274053), (1434, 182702), (2868, 91351), (3107, 84324), (6214, 42162), (7027, 37284), (9321, 28108), (12428, 21081), (14054, 18642)]