899088892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21163}}^1$

素因数の和:21242

約数の個数: 48

約数和(自身を含む): 1825183360

約数和(自身を除く): 926094468

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 2236, 3268, 10621, 21163, 21242, 42326, 42484, 84652, 275119, 402097, 550238, 804194, 910009, 1100476, 1608388, 1820018, 3640036, 5227261, 10454522, 11830117, 17290171, 20909044, 23660234, 34580342, 47320468, 69160684, 224772223, 449544446, 899088892]

約数ペア:

[(1, 899088892), (2, 449544446), (4, 224772223), (13, 69160684), (19, 47320468), (26, 34580342), (38, 23660234), (43, 20909044), (52, 17290171), (76, 11830117), (86, 10454522), (172, 5227261), (247, 3640036), (494, 1820018), (559, 1608388), (817, 1100476), (988, 910009), (1118, 804194), (1634, 550238), (2236, 402097), (3268, 275119), (10621, 84652), (21163, 42484), (21242, 42326)]