643822728190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{4050983}}^1$

素因数の和:4051704

約数の個数: 32

約数和(自身を含む): 1211017360896

約数和(自身を除く): 567194632706

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 691, 1382, 3455, 6910, 15893, 31786, 79465, 158930, 4050983, 8101966, 20254915, 40509830, 93172609, 186345218, 465863045, 931726090, 2799229253, 5598458506, 13996146265, 27992292530, 64382272819, 128764545638, 321911364095, 643822728190]

約数ペア:

[(1, 643822728190), (2, 321911364095), (5, 128764545638), (10, 64382272819), (23, 27992292530), (46, 13996146265), (115, 5598458506), (230, 2799229253), (691, 931726090), (1382, 465863045), (3455, 186345218), (6910, 93172609), (15893, 40509830), (31786, 20254915), (79465, 8101966), (158930, 4050983)]