255438512

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73571}}^1$

素因数の和:73617

約数の個数: 40

約数和(自身を含む): 583867392

約数和(自身を除く): 328428880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 73571, 147142, 294284, 514997, 588568, 1029994, 1177136, 2059988, 2280701, 4119976, 4561402, 8239952, 9122804, 15964907, 18245608, 31929814, 36491216, 63859628, 127719256, 255438512]

約数ペア:

[(1, 255438512), (2, 127719256), (4, 63859628), (7, 36491216), (8, 31929814), (14, 18245608), (16, 15964907), (28, 9122804), (31, 8239952), (56, 4561402), (62, 4119976), (112, 2280701), (124, 2059988), (217, 1177136), (248, 1029994), (434, 588568), (496, 514997), (868, 294284), (1736, 147142), (3472, 73571)]