491185838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 914457600

約数和(自身を除く): 423271762

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 89, 143, 178, 253, 286, 299, 506, 598, 839, 979, 1157, 1678, 1958, 2047, 2314, 3289, 4094, 6578, 9229, 10907, 12727, 18458, 19297, 21814, 22517, 25454, 26611, 38594, 45034, 53222, 74671, 119977, 149342, 212267, 239954, 250861, 292721, 424534, 501722, 585442, 821381, 970723, 1642762, 1717433, 1941446, 2759471, 3434866, 5518942, 10677953, 18891763, 21355906, 22326629, 37783526, 44653258, 245592919, 491185838]

約数ペア:

[(1, 491185838), (2, 245592919), (11, 44653258), (13, 37783526), (22, 22326629), (23, 21355906), (26, 18891763), (46, 10677953), (89, 5518942), (143, 3434866), (178, 2759471), (253, 1941446), (286, 1717433), (299, 1642762), (506, 970723), (598, 821381), (839, 585442), (979, 501722), (1157, 424534), (1678, 292721), (1958, 250861), (2047, 239954), (2314, 212267), (3289, 149342), (4094, 119977), (6578, 74671), (9229, 53222), (10907, 45034), (12727, 38594), (18458, 26611), (19297, 25454), (21814, 22517)]