397993984

素因数分解:

$2^{11}\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 799458660

約数和(自身を除く): 401464676

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 373, 512, 521, 746, 1024, 1042, 1492, 2048, 2084, 2984, 4168, 5968, 8336, 11936, 16672, 23872, 33344, 47744, 66688, 95488, 133376, 190976, 194333, 266752, 381952, 388666, 533504, 763904, 777332, 1067008, 1554664, 3109328, 6218656, 12437312, 24874624, 49749248, 99498496, 198996992, 397993984]

約数ペア:

[(1, 397993984), (2, 198996992), (4, 99498496), (8, 49749248), (16, 24874624), (32, 12437312), (64, 6218656), (128, 3109328), (256, 1554664), (373, 1067008), (512, 777332), (521, 763904), (746, 533504), (1024, 388666), (1042, 381952), (1492, 266752), (2048, 194333), (2084, 190976), (2984, 133376), (4168, 95488), (5968, 66688), (8336, 47744), (11936, 33344), (16672, 23872)]