25856256

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 69610464

約数和(自身を除く): 43754208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 257, 262, 384, 393, 514, 524, 768, 771, 786, 1028, 1048, 1542, 1572, 2056, 2096, 3084, 3144, 4112, 4192, 6168, 6288, 8224, 8384, 12336, 12576, 16448, 16768, 24672, 25152, 32896, 33536, 33667, 49344, 50304, 65792, 67334, 98688, 100608, 101001, 134668, 197376, 202002, 269336, 404004, 538672, 808008, 1077344, 1616016, 2154688, 3232032, 4309376, 6464064, 8618752, 12928128, 25856256]

約数ペア:

[(1, 25856256), (2, 12928128), (3, 8618752), (4, 6464064), (6, 4309376), (8, 3232032), (12, 2154688), (16, 1616016), (24, 1077344), (32, 808008), (48, 538672), (64, 404004), (96, 269336), (128, 202002), (131, 197376), (192, 134668), (256, 101001), (257, 100608), (262, 98688), (384, 67334), (393, 65792), (514, 50304), (524, 49344), (768, 33667), (771, 33536), (786, 32896), (1028, 25152), (1048, 24672), (1542, 16768), (1572, 16448), (2056, 12576), (2096, 12336), (3084, 8384), (3144, 8224), (4112, 6288), (4192, 6168)]