407981824

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 850631040

約数和(自身を除く): 442649216

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 124, 128, 202, 248, 256, 404, 496, 509, 808, 992, 1018, 1616, 1984, 2036, 3131, 3232, 3968, 4072, 6262, 6464, 7936, 8144, 12524, 12928, 15779, 16288, 25048, 25856, 31558, 32576, 50096, 51409, 63116, 65152, 100192, 102818, 126232, 130304, 200384, 205636, 252464, 400768, 411272, 504928, 801536, 822544, 1009856, 1593679, 1645088, 2019712, 3187358, 3290176, 4039424, 6374716, 6580352, 12749432, 13160704, 25498864, 50997728, 101995456, 203990912, 407981824]

約数ペア:

[(1, 407981824), (2, 203990912), (4, 101995456), (8, 50997728), (16, 25498864), (31, 13160704), (32, 12749432), (62, 6580352), (64, 6374716), (101, 4039424), (124, 3290176), (128, 3187358), (202, 2019712), (248, 1645088), (256, 1593679), (404, 1009856), (496, 822544), (509, 801536), (808, 504928), (992, 411272), (1018, 400768), (1616, 252464), (1984, 205636), (2036, 200384), (3131, 130304), (3232, 126232), (3968, 102818), (4072, 100192), (6262, 65152), (6464, 63116), (7936, 51409), (8144, 50096), (12524, 32576), (12928, 31558), (15779, 25856), (16288, 25048)]