258317696

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 644770560

約数和(自身を除く): 386452864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 128, 134, 182, 208, 224, 268, 331, 364, 416, 448, 469, 536, 662, 728, 832, 871, 896, 938, 1072, 1324, 1456, 1664, 1742, 1876, 2144, 2317, 2648, 2912, 3484, 3752, 4288, 4303, 4634, 5296, 5824, 6097, 6968, 7504, 8576, 8606, 9268, 10592, 11648, 12194, 13936, 15008, 17212, 18536, 21184, 22177, 24388, 27872, 30016, 30121, 34424, 37072, 42368, 44354, 48776, 55744, 60032, 60242, 68848, 74144, 88708, 97552, 111488, 120484, 137696, 148288, 155239, 177416, 195104, 240968, 275392, 288301, 296576, 310478, 354832, 390208, 481936, 550784, 576602, 620956, 709664, 780416, 963872, 1153204, 1241912, 1419328, 1927744, 2018107, 2306408, 2483824, 2838656, 3855488, 4036214, 4612816, 4967648, 8072428, 9225632, 9935296, 16144856, 18451264, 19870592, 32289712, 36902528, 64579424, 129158848, 258317696]

約数ペア:

[(1, 258317696), (2, 129158848), (4, 64579424), (7, 36902528), (8, 32289712), (13, 19870592), (14, 18451264), (16, 16144856), (26, 9935296), (28, 9225632), (32, 8072428), (52, 4967648), (56, 4612816), (64, 4036214), (67, 3855488), (91, 2838656), (104, 2483824), (112, 2306408), (128, 2018107), (134, 1927744), (182, 1419328), (208, 1241912), (224, 1153204), (268, 963872), (331, 780416), (364, 709664), (416, 620956), (448, 576602), (469, 550784), (536, 481936), (662, 390208), (728, 354832), (832, 310478), (871, 296576), (896, 288301), (938, 275392), (1072, 240968), (1324, 195104), (1456, 177416), (1664, 155239), (1742, 148288), (1876, 137696), (2144, 120484), (2317, 111488), (2648, 97552), (2912, 88708), (3484, 74144), (3752, 68848), (4288, 60242), (4303, 60032), (4634, 55744), (5296, 48776), (5824, 44354), (6097, 42368), (6968, 37072), (7504, 34424), (8576, 30121), (8606, 30016), (9268, 27872), (10592, 24388), (11648, 22177), (12194, 21184), (13936, 18536), (15008, 17212)]