645714004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3889}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 1268700160

約数和(自身を除く): 622986156

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 206, 403, 412, 806, 1339, 1612, 2678, 3193, 3889, 5356, 6386, 7778, 12772, 15556, 41509, 50557, 83018, 101114, 120559, 166036, 202228, 241118, 400567, 482236, 801134, 1567267, 1602268, 3134534, 5207371, 6269068, 10414742, 12417577, 20829484, 24835154, 49670308, 161428501, 322857002, 645714004]

約数ペア:

[(1, 645714004), (2, 322857002), (4, 161428501), (13, 49670308), (26, 24835154), (31, 20829484), (52, 12417577), (62, 10414742), (103, 6269068), (124, 5207371), (206, 3134534), (403, 1602268), (412, 1567267), (806, 801134), (1339, 482236), (1612, 400567), (2678, 241118), (3193, 202228), (3889, 166036), (5356, 120559), (6386, 101114), (7778, 83018), (12772, 50557), (15556, 41509)]