31920201728

素因数分解:

$2^{13}\times {\mathrm{89}}^1\times {\mathrm{43781}}^1$

素因数の和:43896

約数の個数: 56

約数和(自身を含む): 64555245540

約数和(自身を除く): 32635043812

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 1024, 1424, 2048, 2848, 4096, 5696, 8192, 11392, 22784, 43781, 45568, 87562, 91136, 175124, 182272, 350248, 364544, 700496, 729088, 1400992, 2801984, 3896509, 5603968, 7793018, 11207936, 15586036, 22415872, 31172072, 44831744, 62344144, 89663488, 124688288, 179326976, 249376576, 358653952, 498753152, 997506304, 1995012608, 3990025216, 7980050432, 15960100864, 31920201728]

約数ペア:

[(1, 31920201728), (2, 15960100864), (4, 7980050432), (8, 3990025216), (16, 1995012608), (32, 997506304), (64, 498753152), (89, 358653952), (128, 249376576), (178, 179326976), (256, 124688288), (356, 89663488), (512, 62344144), (712, 44831744), (1024, 31172072), (1424, 22415872), (2048, 15586036), (2848, 11207936), (4096, 7793018), (5696, 5603968), (8192, 3896509), (11392, 2801984), (22784, 1400992), (43781, 729088), (45568, 700496), (87562, 364544), (91136, 350248), (175124, 182272)]