205716992

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1059

約数の個数: 80

約数和(自身を含む): 457387392

約数和(自身を除く): 251670400

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 997, 1612, 1664, 1984, 1994, 3224, 3328, 3968, 3988, 6448, 6656, 7936, 7976, 12896, 12961, 15872, 15952, 25792, 25922, 30907, 31904, 51584, 51844, 61814, 63808, 103168, 103688, 123628, 127616, 206336, 207376, 247256, 255232, 401791, 414752, 494512, 510464, 803582, 829504, 989024, 1607164, 1659008, 1978048, 3214328, 3318016, 3956096, 6428656, 6636032, 7912192, 12857312, 15824384, 25714624, 51429248, 102858496, 205716992]

約数ペア:

[(1, 205716992), (2, 102858496), (4, 51429248), (8, 25714624), (13, 15824384), (16, 12857312), (26, 7912192), (31, 6636032), (32, 6428656), (52, 3956096), (62, 3318016), (64, 3214328), (104, 1978048), (124, 1659008), (128, 1607164), (208, 989024), (248, 829504), (256, 803582), (403, 510464), (416, 494512), (496, 414752), (512, 401791), (806, 255232), (832, 247256), (992, 207376), (997, 206336), (1612, 127616), (1664, 123628), (1984, 103688), (1994, 103168), (3224, 63808), (3328, 61814), (3968, 51844), (3988, 51584), (6448, 31904), (6656, 30907), (7936, 25922), (7976, 25792), (12896, 15952), (12961, 15872)]