999978368

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 2048976000

約数和(自身を除く): 1048997632

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 89, 122, 128, 178, 244, 356, 488, 712, 976, 1424, 1439, 1952, 2848, 2878, 3904, 5429, 5696, 5756, 7808, 10858, 11392, 11512, 21716, 23024, 43432, 46048, 86864, 87779, 92096, 128071, 173728, 175558, 184192, 256142, 347456, 351116, 512284, 694912, 702232, 1024568, 1404464, 2049136, 2808928, 4098272, 5617856, 7812331, 8196544, 11235712, 15624662, 16393088, 31249324, 62498648, 124997296, 249994592, 499989184, 999978368]

約数ペア:

[(1, 999978368), (2, 499989184), (4, 249994592), (8, 124997296), (16, 62498648), (32, 31249324), (61, 16393088), (64, 15624662), (89, 11235712), (122, 8196544), (128, 7812331), (178, 5617856), (244, 4098272), (356, 2808928), (488, 2049136), (712, 1404464), (976, 1024568), (1424, 702232), (1439, 694912), (1952, 512284), (2848, 351116), (2878, 347456), (3904, 256142), (5429, 184192), (5696, 175558), (5756, 173728), (7808, 128071), (10858, 92096), (11392, 87779), (11512, 86864), (21716, 46048), (23024, 43432)]