387557888

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{12409}}^1$

素因数の和:12488

約数の個数: 40

約数和(自身を含む): 787116660

約数和(自身を除く): 399558772

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1952, 3904, 7808, 12409, 15616, 24818, 31232, 49636, 99272, 198544, 397088, 756949, 794176, 1513898, 1588352, 3027796, 3176704, 6055592, 6353408, 12111184, 24222368, 48444736, 96889472, 193778944, 387557888]

約数ペア:

[(1, 387557888), (2, 193778944), (4, 96889472), (8, 48444736), (16, 24222368), (32, 12111184), (61, 6353408), (64, 6055592), (122, 3176704), (128, 3027796), (244, 1588352), (256, 1513898), (488, 794176), (512, 756949), (976, 397088), (1952, 198544), (3904, 99272), (7808, 49636), (12409, 31232), (15616, 24818)]