257927488

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 112

約数和(自身を含む): 640307584

約数和(自身を除く): 382380096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 134, 182, 208, 224, 268, 364, 416, 448, 469, 536, 661, 728, 832, 871, 938, 1072, 1322, 1456, 1742, 1876, 2144, 2644, 2912, 3484, 3752, 4288, 4627, 5288, 5824, 6097, 6968, 7504, 8593, 9254, 10576, 12194, 13936, 15008, 17186, 18508, 21152, 24388, 27872, 30016, 34372, 37016, 42304, 44287, 48776, 55744, 60151, 68744, 74032, 88574, 97552, 120302, 137488, 148064, 177148, 195104, 240604, 274976, 296128, 310009, 354296, 390208, 481208, 549952, 575731, 620018, 708592, 962416, 1151462, 1240036, 1417184, 1924832, 2302924, 2480072, 2834368, 3849664, 4030117, 4605848, 4960144, 8060234, 9211696, 9920288, 16120468, 18423392, 19840576, 32240936, 36846784, 64481872, 128963744, 257927488]

約数ペア:

[(1, 257927488), (2, 128963744), (4, 64481872), (7, 36846784), (8, 32240936), (13, 19840576), (14, 18423392), (16, 16120468), (26, 9920288), (28, 9211696), (32, 8060234), (52, 4960144), (56, 4605848), (64, 4030117), (67, 3849664), (91, 2834368), (104, 2480072), (112, 2302924), (134, 1924832), (182, 1417184), (208, 1240036), (224, 1151462), (268, 962416), (364, 708592), (416, 620018), (448, 575731), (469, 549952), (536, 481208), (661, 390208), (728, 354296), (832, 310009), (871, 296128), (938, 274976), (1072, 240604), (1322, 195104), (1456, 177148), (1742, 148064), (1876, 137488), (2144, 120302), (2644, 97552), (2912, 88574), (3484, 74032), (3752, 68744), (4288, 60151), (4627, 55744), (5288, 48776), (5824, 44287), (6097, 42304), (6968, 37016), (7504, 34372), (8593, 30016), (9254, 27872), (10576, 24388), (12194, 21152), (13936, 18508), (15008, 17186)]