255876504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{820117}}^1$

素因数の和:820139

約数の個数: 32

約数和(自身を含む): 688899120

約数和(自身を除く): 433022616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 820117, 1640234, 2460351, 3280468, 4920702, 6560936, 9841404, 10661521, 19682808, 21323042, 31984563, 42646084, 63969126, 85292168, 127938252, 255876504]

約数ペア:

[(1, 255876504), (2, 127938252), (3, 85292168), (4, 63969126), (6, 42646084), (8, 31984563), (12, 21323042), (13, 19682808), (24, 10661521), (26, 9841404), (39, 6560936), (52, 4920702), (78, 3280468), (104, 2460351), (156, 1640234), (312, 820117)]