397737728

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{23189}}^1$

素因数の和:23272

約数の個数: 36

約数和(自身を含む): 805806120

約数和(自身を除く): 408068392

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 2144, 4288, 8576, 17152, 23189, 46378, 92756, 185512, 371024, 742048, 1484096, 1553663, 2968192, 3107326, 5936384, 6214652, 12429304, 24858608, 49717216, 99434432, 198868864, 397737728]

約数ペア:

[(1, 397737728), (2, 198868864), (4, 99434432), (8, 49717216), (16, 24858608), (32, 12429304), (64, 6214652), (67, 5936384), (128, 3107326), (134, 2968192), (256, 1553663), (268, 1484096), (536, 742048), (1072, 371024), (2144, 185512), (4288, 92756), (8576, 46378), (17152, 23189)]