251529070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2963}}^1$

素因数の和:3636

約数の個数: 32

約数和(自身を含む): 488490912

約数和(自身を除く): 236961842

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 1306, 2963, 3265, 5926, 6530, 8489, 14815, 16978, 29630, 38519, 42445, 77038, 84890, 192595, 385190, 1934839, 3869678, 9674195, 19348390, 25152907, 50305814, 125764535, 251529070]

約数ペア:

[(1, 251529070), (2, 125764535), (5, 50305814), (10, 25152907), (13, 19348390), (26, 9674195), (65, 3869678), (130, 1934839), (653, 385190), (1306, 192595), (2963, 84890), (3265, 77038), (5926, 42445), (6530, 38519), (8489, 29630), (14815, 16978)]