217036456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 528998400

約数和(自身を除く): 311961944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 59, 62, 91, 104, 118, 124, 163, 182, 217, 236, 248, 326, 364, 403, 413, 434, 472, 652, 728, 767, 806, 826, 868, 1141, 1304, 1534, 1612, 1652, 1736, 1829, 2119, 2282, 2821, 3068, 3224, 3304, 3658, 4238, 4564, 5053, 5369, 5642, 6136, 7316, 8476, 9128, 9617, 10106, 10738, 11284, 12803, 14632, 14833, 16952, 19234, 20212, 21476, 22568, 23777, 25606, 29666, 35371, 38468, 40424, 42952, 47554, 51212, 59332, 65689, 67319, 70742, 76936, 95108, 102424, 118664, 125021, 131378, 134638, 141484, 166439, 190216, 250042, 262756, 269276, 282968, 298127, 332878, 459823, 500084, 525512, 538552, 596254, 665756, 875147, 919646, 1000168, 1192508, 1331512, 1750294, 1839292, 2086889, 2385016, 3500588, 3678584, 3875651, 4173778, 7001176, 7751302, 8347556, 15502604, 16695112, 27129557, 31005208, 54259114, 108518228, 217036456]

約数ペア:

[(1, 217036456), (2, 108518228), (4, 54259114), (7, 31005208), (8, 27129557), (13, 16695112), (14, 15502604), (26, 8347556), (28, 7751302), (31, 7001176), (52, 4173778), (56, 3875651), (59, 3678584), (62, 3500588), (91, 2385016), (104, 2086889), (118, 1839292), (124, 1750294), (163, 1331512), (182, 1192508), (217, 1000168), (236, 919646), (248, 875147), (326, 665756), (364, 596254), (403, 538552), (413, 525512), (434, 500084), (472, 459823), (652, 332878), (728, 298127), (767, 282968), (806, 269276), (826, 262756), (868, 250042), (1141, 190216), (1304, 166439), (1534, 141484), (1612, 134638), (1652, 131378), (1736, 125021), (1829, 118664), (2119, 102424), (2282, 95108), (2821, 76936), (3068, 70742), (3224, 67319), (3304, 65689), (3658, 59332), (4238, 51212), (4564, 47554), (5053, 42952), (5369, 40424), (5642, 38468), (6136, 35371), (7316, 29666), (8476, 25606), (9128, 23777), (9617, 22568), (10106, 21476), (10738, 20212), (11284, 19234), (12803, 16952), (14632, 14833)]