13440856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 30643200

約数和(自身を除く): 17202344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 379, 403, 572, 682, 758, 806, 1144, 1364, 1516, 1612, 2728, 3032, 3224, 4169, 4433, 4927, 8338, 8866, 9854, 11749, 16676, 17732, 19708, 23498, 33352, 35464, 39416, 46996, 54197, 93992, 108394, 129239, 152737, 216788, 258478, 305474, 433576, 516956, 610948, 1033912, 1221896, 1680107, 3360214, 6720428, 13440856]

約数ペア:

[(1, 13440856), (2, 6720428), (4, 3360214), (8, 1680107), (11, 1221896), (13, 1033912), (22, 610948), (26, 516956), (31, 433576), (44, 305474), (52, 258478), (62, 216788), (88, 152737), (104, 129239), (124, 108394), (143, 93992), (248, 54197), (286, 46996), (341, 39416), (379, 35464), (403, 33352), (572, 23498), (682, 19708), (758, 17732), (806, 16676), (1144, 11749), (1364, 9854), (1516, 8866), (1612, 8338), (2728, 4927), (3032, 4433), (3224, 4169)]