1287847284

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{1097}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 3186062208

約数和(自身を除く): 1898214924

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 271, 361, 542, 722, 813, 1083, 1084, 1097, 1444, 1626, 2166, 2194, 3252, 3291, 4332, 4388, 5149, 6582, 10298, 13164, 15447, 20596, 20843, 30894, 41686, 61788, 62529, 83372, 97831, 125058, 195662, 250116, 293493, 297287, 391324, 396017, 586986, 594574, 792034, 891861, 1173972, 1188051, 1189148, 1584068, 1783722, 2376102, 3567444, 4752204, 5648453, 11296906, 16945359, 22593812, 33890718, 67781436, 107320607, 214641214, 321961821, 429282428, 643923642, 1287847284]

約数ペア:

[(1, 1287847284), (2, 643923642), (3, 429282428), (4, 321961821), (6, 214641214), (12, 107320607), (19, 67781436), (38, 33890718), (57, 22593812), (76, 16945359), (114, 11296906), (228, 5648453), (271, 4752204), (361, 3567444), (542, 2376102), (722, 1783722), (813, 1584068), (1083, 1189148), (1084, 1188051), (1097, 1173972), (1444, 891861), (1626, 792034), (2166, 594574), (2194, 586986), (3252, 396017), (3291, 391324), (4332, 297287), (4388, 293493), (5149, 250116), (6582, 195662), (10298, 125058), (13164, 97831), (15447, 83372), (20596, 62529), (20843, 61788), (30894, 41686)]