215731796

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{108517}}^1$

素因数の和:108599

約数の個数: 24

約数和(自身を含む): 437544576

約数和(自身を除く): 221812780

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 108517, 217034, 434068, 759619, 1519238, 3038476, 7704707, 15409414, 30818828, 53932949, 107865898, 215731796]

約数ペア:

[(1, 215731796), (2, 107865898), (4, 53932949), (7, 30818828), (14, 15409414), (28, 7704707), (71, 3038476), (142, 1519238), (284, 759619), (497, 434068), (994, 217034), (1988, 108517)]