215686936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{21179}}^1$

素因数の和:21271

約数の個数: 32

約数和(自身を含む): 432072000

約数和(自身を除く): 216385064

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 5092, 10184, 21179, 42358, 84716, 169432, 402401, 804802, 1418993, 1609604, 2837986, 3219208, 5675972, 11351944, 26960867, 53921734, 107843468, 215686936]

約数ペア:

[(1, 215686936), (2, 107843468), (4, 53921734), (8, 26960867), (19, 11351944), (38, 5675972), (67, 3219208), (76, 2837986), (134, 1609604), (152, 1418993), (268, 804802), (536, 402401), (1273, 169432), (2546, 84716), (5092, 42358), (10184, 21179)]