243542884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 500887800

約数和(自身を除く): 257344916

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 149, 172, 221, 298, 442, 559, 596, 731, 884, 1118, 1462, 1849, 1937, 2236, 2533, 2924, 3698, 3874, 5066, 6407, 7396, 7748, 9503, 10132, 12814, 19006, 24037, 25628, 31433, 32929, 38012, 48074, 62866, 65858, 83291, 96148, 108919, 125732, 131716, 166582, 217838, 275501, 333164, 408629, 435676, 551002, 817258, 1102004, 1415947, 1634516, 2831894, 3581513, 4683517, 5663788, 7163026, 9367034, 14326052, 18734068, 60885721, 121771442, 243542884]

約数ペア:

[(1, 243542884), (2, 121771442), (4, 60885721), (13, 18734068), (17, 14326052), (26, 9367034), (34, 7163026), (43, 5663788), (52, 4683517), (68, 3581513), (86, 2831894), (149, 1634516), (172, 1415947), (221, 1102004), (298, 817258), (442, 551002), (559, 435676), (596, 408629), (731, 333164), (884, 275501), (1118, 217838), (1462, 166582), (1849, 131716), (1937, 125732), (2236, 108919), (2533, 96148), (2924, 83291), (3698, 65858), (3874, 62866), (5066, 48074), (6407, 38012), (7396, 32929), (7748, 31433), (9503, 25628), (10132, 24037), (12814, 19006)]