291249416

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{1399}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 557928000

約数和(自身を除く): 266678584

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 491, 982, 1399, 1964, 2798, 3928, 5596, 11192, 26023, 52046, 74147, 104092, 148294, 208184, 296588, 593176, 686909, 1373818, 2747636, 5495272, 36406177, 72812354, 145624708, 291249416]

約数ペア:

[(1, 291249416), (2, 145624708), (4, 72812354), (8, 36406177), (53, 5495272), (106, 2747636), (212, 1373818), (424, 686909), (491, 593176), (982, 296588), (1399, 208184), (1964, 148294), (2798, 104092), (3928, 74147), (5596, 52046), (11192, 26023)]