265890248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 555448320

約数和(自身を除く): 289558072

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 127, 164, 254, 328, 491, 508, 533, 982, 1016, 1066, 1651, 1964, 2132, 3302, 3928, 4264, 5207, 6383, 6604, 10414, 12766, 13208, 20131, 20828, 25532, 40262, 41656, 51064, 62357, 67691, 80524, 124714, 135382, 161048, 249428, 261703, 270764, 498856, 523406, 541528, 810641, 1046812, 1621282, 2093624, 2556637, 3242564, 5113274, 6485128, 10226548, 20453096, 33236281, 66472562, 132945124, 265890248]

約数ペア:

[(1, 265890248), (2, 132945124), (4, 66472562), (8, 33236281), (13, 20453096), (26, 10226548), (41, 6485128), (52, 5113274), (82, 3242564), (104, 2556637), (127, 2093624), (164, 1621282), (254, 1046812), (328, 810641), (491, 541528), (508, 523406), (533, 498856), (982, 270764), (1016, 261703), (1066, 249428), (1651, 161048), (1964, 135382), (2132, 124714), (3302, 80524), (3928, 67691), (4264, 62357), (5207, 51064), (6383, 41656), (6604, 40262), (10414, 25532), (12766, 20828), (13208, 20131)]