28921344

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 80

約数和(自身を含む): 81185280

約数和(自身を除く): 52263936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 512, 608, 768, 912, 991, 1216, 1536, 1824, 1982, 2432, 2973, 3648, 3964, 4864, 5946, 7296, 7928, 9728, 11892, 14592, 15856, 18829, 23784, 29184, 31712, 37658, 47568, 56487, 63424, 75316, 95136, 112974, 126848, 150632, 190272, 225948, 253696, 301264, 380544, 451896, 507392, 602528, 761088, 903792, 1205056, 1522176, 1807584, 2410112, 3615168, 4820224, 7230336, 9640448, 14460672, 28921344]

約数ペア:

[(1, 28921344), (2, 14460672), (3, 9640448), (4, 7230336), (6, 4820224), (8, 3615168), (12, 2410112), (16, 1807584), (19, 1522176), (24, 1205056), (32, 903792), (38, 761088), (48, 602528), (57, 507392), (64, 451896), (76, 380544), (96, 301264), (114, 253696), (128, 225948), (152, 190272), (192, 150632), (228, 126848), (256, 112974), (304, 95136), (384, 75316), (456, 63424), (512, 56487), (608, 47568), (768, 37658), (912, 31712), (991, 29184), (1216, 23784), (1536, 18829), (1824, 15856), (1982, 14592), (2432, 11892), (2973, 9728), (3648, 7928), (3964, 7296), (4864, 5946)]