82578990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211741}}^1$

素因数の和:211764

約数の個数: 32

約数和(自身を含む): 213435936

約数和(自身を除く): 130856946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 211741, 423482, 635223, 1058705, 1270446, 2117410, 2752633, 3176115, 5505266, 6352230, 8257899, 13763165, 16515798, 27526330, 41289495, 82578990]

約数ペア:

[(1, 82578990), (2, 41289495), (3, 27526330), (5, 16515798), (6, 13763165), (10, 8257899), (13, 6352230), (15, 5505266), (26, 3176115), (30, 2752633), (39, 2117410), (65, 1270446), (78, 1058705), (130, 635223), (195, 423482), (390, 211741)]