251662008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{806609}}^1$

素因数の和:806631

約数の個数: 32

約数和(自身を含む): 677552400

約数和(自身を除く): 425890392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 806609, 1613218, 2419827, 3226436, 4839654, 6452872, 9679308, 10485917, 19358616, 20971834, 31457751, 41943668, 62915502, 83887336, 125831004, 251662008]

約数ペア:

[(1, 251662008), (2, 125831004), (3, 83887336), (4, 62915502), (6, 41943668), (8, 31457751), (12, 20971834), (13, 19358616), (24, 10485917), (26, 9679308), (39, 6452872), (52, 4839654), (78, 3226436), (104, 2419827), (156, 1613218), (312, 806609)]