638908608

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255973}}^1$

素因数の和:256001

約数の個数: 56

約数和(自身を含む): 1820487088

約数和(自身を除く): 1181578480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 255973, 511946, 767919, 1023892, 1535838, 2047784, 3071676, 3327649, 4095568, 6143352, 6655298, 8191136, 9982947, 12286704, 13310596, 16382272, 19965894, 24573408, 26621192, 39931788, 49146816, 53242384, 79863576, 106484768, 159727152, 212969536, 319454304, 638908608]

約数ペア:

[(1, 638908608), (2, 319454304), (3, 212969536), (4, 159727152), (6, 106484768), (8, 79863576), (12, 53242384), (13, 49146816), (16, 39931788), (24, 26621192), (26, 24573408), (32, 19965894), (39, 16382272), (48, 13310596), (52, 12286704), (64, 9982947), (78, 8191136), (96, 6655298), (104, 6143352), (156, 4095568), (192, 3327649), (208, 3071676), (312, 2047784), (416, 1535838), (624, 1023892), (832, 767919), (1248, 511946), (2496, 255973)]