221591072

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{364459}}^1$

素因数の和:364488

約数の個数: 24

約数和(自身を含む): 459219600

約数和(自身を除く): 237628528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 364459, 728918, 1457836, 2915672, 5831344, 6924721, 11662688, 13849442, 27698884, 55397768, 110795536, 221591072]

約数ペア:

[(1, 221591072), (2, 110795536), (4, 55397768), (8, 27698884), (16, 13849442), (19, 11662688), (32, 6924721), (38, 5831344), (76, 2915672), (152, 1457836), (304, 728918), (608, 364459)]