25581990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2893

約数の個数: 64

約数和(自身を含む): 71824896

約数和(自身を除く): 46242906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2833, 3010, 4515, 5666, 8499, 9030, 14165, 16998, 19831, 28330, 39662, 42495, 59493, 84990, 99155, 118986, 121819, 198310, 243638, 297465, 365457, 594930, 609095, 730914, 852733, 1218190, 1705466, 1827285, 2558199, 3654570, 4263665, 5116398, 8527330, 12790995, 25581990]

約数ペア:

[(1, 25581990), (2, 12790995), (3, 8527330), (5, 5116398), (6, 4263665), (7, 3654570), (10, 2558199), (14, 1827285), (15, 1705466), (21, 1218190), (30, 852733), (35, 730914), (42, 609095), (43, 594930), (70, 365457), (86, 297465), (105, 243638), (129, 198310), (210, 121819), (215, 118986), (258, 99155), (301, 84990), (430, 59493), (602, 42495), (645, 39662), (903, 28330), (1290, 19831), (1505, 16998), (1806, 14165), (2833, 9030), (3010, 8499), (4515, 5666)]