199829968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1892

約数の個数: 80

約数和(自身を含む): 455970816

約数和(自身を除く): 256140848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 1823, 2108, 3224, 3536, 3646, 4216, 6448, 6851, 7292, 8432, 13702, 14584, 23699, 27404, 29168, 30991, 47398, 54808, 56513, 61982, 94796, 109616, 113026, 123964, 189592, 226052, 247928, 379184, 402883, 452104, 495856, 734669, 805766, 904208, 960721, 1469338, 1611532, 1921442, 2938676, 3223064, 3842884, 5877352, 6446128, 7685768, 11754704, 12489373, 15371536, 24978746, 49957492, 99914984, 199829968]

約数ペア:

[(1, 199829968), (2, 99914984), (4, 49957492), (8, 24978746), (13, 15371536), (16, 12489373), (17, 11754704), (26, 7685768), (31, 6446128), (34, 5877352), (52, 3842884), (62, 3223064), (68, 2938676), (104, 1921442), (124, 1611532), (136, 1469338), (208, 960721), (221, 904208), (248, 805766), (272, 734669), (403, 495856), (442, 452104), (496, 402883), (527, 379184), (806, 247928), (884, 226052), (1054, 189592), (1612, 123964), (1768, 113026), (1823, 109616), (2108, 94796), (3224, 61982), (3536, 56513), (3646, 54808), (4216, 47398), (6448, 30991), (6851, 29168), (7292, 27404), (8432, 23699), (13702, 14584)]