642057988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{36209}}^1$

素因数の和:36268

約数の個数: 48

約数和(自身を含む): 1362654720

約数和(自身を除く): 720596732

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 8866, 17732, 36209, 72418, 144836, 398299, 470717, 796598, 941434, 1122479, 1593196, 1882868, 2244958, 4489916, 5177887, 10355774, 12347269, 14592227, 20711548, 24694538, 29184454, 49389076, 58368908, 160514497, 321028994, 642057988]

約数ペア:

[(1, 642057988), (2, 321028994), (4, 160514497), (11, 58368908), (13, 49389076), (22, 29184454), (26, 24694538), (31, 20711548), (44, 14592227), (52, 12347269), (62, 10355774), (124, 5177887), (143, 4489916), (286, 2244958), (341, 1882868), (403, 1593196), (572, 1122479), (682, 941434), (806, 796598), (1364, 470717), (1612, 398299), (4433, 144836), (8866, 72418), (17732, 36209)]