291207757988

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1\times {\mathrm{53813}}^1$

素因数の和:55212

約数の個数: 48

約数和(自身を含む): 586612207104

約数和(自身を除く): 295404449116

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 1231, 2198, 2462, 4396, 4924, 8617, 17234, 34468, 53813, 107626, 193267, 215252, 376691, 386534, 753382, 773068, 1352869, 1506764, 2705738, 5411476, 8448641, 16897282, 33794564, 59140487, 66243803, 118280974, 132487606, 236561948, 264975212, 463706621, 927413242, 1854826484, 10400277071, 20800554142, 41601108284, 72801939497, 145603878994, 291207757988]

約数ペア:

[(1, 291207757988), (2, 145603878994), (4, 72801939497), (7, 41601108284), (14, 20800554142), (28, 10400277071), (157, 1854826484), (314, 927413242), (628, 463706621), (1099, 264975212), (1231, 236561948), (2198, 132487606), (2462, 118280974), (4396, 66243803), (4924, 59140487), (8617, 33794564), (17234, 16897282), (34468, 8448641), (53813, 5411476), (107626, 2705738), (193267, 1506764), (215252, 1352869), (376691, 773068), (386534, 753382)]