277205864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61987}}^1$

素因数の和:62049

約数の個数: 32

約数和(自身を含む): 572769120

約数和(自身を除く): 295563256

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 61987, 123974, 247948, 495896, 805831, 1611662, 2665441, 3223324, 5330882, 6446648, 10661764, 21323528, 34650733, 69301466, 138602932, 277205864]

約数ペア:

[(1, 277205864), (2, 138602932), (4, 69301466), (8, 34650733), (13, 21323528), (26, 10661764), (43, 6446648), (52, 5330882), (86, 3223324), (104, 2665441), (172, 1611662), (344, 805831), (559, 495896), (1118, 247948), (2236, 123974), (4472, 61987)]