64504816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 137000160

約数和(自身を除く): 72495344

約数列:

[1, 2, 4, 8, 16, 29, 43, 53, 58, 61, 86, 106, 116, 122, 172, 212, 232, 244, 344, 424, 464, 488, 688, 848, 976, 1247, 1537, 1769, 2279, 2494, 2623, 3074, 3233, 3538, 4558, 4988, 5246, 6148, 6466, 7076, 9116, 9976, 10492, 12296, 12932, 14152, 18232, 19952, 20984, 24592, 25864, 28304, 36464, 41968, 51728, 66091, 76067, 93757, 132182, 139019, 152134, 187514, 264364, 278038, 304268, 375028, 528728, 556076, 608536, 750056, 1057456, 1112152, 1217072, 1500112, 2224304, 4031551, 8063102, 16126204, 32252408, 64504816]

約数ペア:

[(1, 64504816), (2, 32252408), (4, 16126204), (8, 8063102), (16, 4031551), (29, 2224304), (43, 1500112), (53, 1217072), (58, 1112152), (61, 1057456), (86, 750056), (106, 608536), (116, 556076), (122, 528728), (172, 375028), (212, 304268), (232, 278038), (244, 264364), (344, 187514), (424, 152134), (464, 139019), (488, 132182), (688, 93757), (848, 76067), (976, 66091), (1247, 51728), (1537, 41968), (1769, 36464), (2279, 28304), (2494, 25864), (2623, 24592), (3074, 20984), (3233, 19952), (3538, 18232), (4558, 14152), (4988, 12932), (5246, 12296), (6148, 10492), (6466, 9976), (7076, 9116)]