198780928

素因数分解:

$2^{11}\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 414766170

約数和(自身を除く): 215985242

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 124, 128, 202, 248, 256, 404, 496, 512, 808, 961, 992, 1024, 1616, 1922, 1984, 2048, 3131, 3232, 3844, 3968, 6262, 6464, 7688, 7936, 12524, 12928, 15376, 15872, 25048, 25856, 30752, 31744, 50096, 51712, 61504, 63488, 97061, 100192, 103424, 123008, 194122, 200384, 206848, 246016, 388244, 400768, 492032, 776488, 801536, 984064, 1552976, 1603072, 1968128, 3105952, 3206144, 6211904, 6412288, 12423808, 24847616, 49695232, 99390464, 198780928]

約数ペア:

[(1, 198780928), (2, 99390464), (4, 49695232), (8, 24847616), (16, 12423808), (31, 6412288), (32, 6211904), (62, 3206144), (64, 3105952), (101, 1968128), (124, 1603072), (128, 1552976), (202, 984064), (248, 801536), (256, 776488), (404, 492032), (496, 400768), (512, 388244), (808, 246016), (961, 206848), (992, 200384), (1024, 194122), (1616, 123008), (1922, 103424), (1984, 100192), (2048, 97061), (3131, 63488), (3232, 61504), (3844, 51712), (3968, 50096), (6262, 31744), (6464, 30752), (7688, 25856), (7936, 25048), (12524, 15872), (12928, 15376)]