64819768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 71260232

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 89, 94, 104, 149, 178, 188, 298, 356, 376, 596, 611, 712, 1157, 1192, 1222, 1937, 2314, 2444, 3874, 4183, 4628, 4888, 7003, 7748, 8366, 9256, 13261, 14006, 15496, 16732, 26522, 28012, 33464, 53044, 54379, 56024, 91039, 106088, 108758, 172393, 182078, 217516, 344786, 364156, 435032, 623267, 689572, 728312, 1246534, 1379144, 2493068, 4986136, 8102471, 16204942, 32409884, 64819768]

約数ペア:

[(1, 64819768), (2, 32409884), (4, 16204942), (8, 8102471), (13, 4986136), (26, 2493068), (47, 1379144), (52, 1246534), (89, 728312), (94, 689572), (104, 623267), (149, 435032), (178, 364156), (188, 344786), (298, 217516), (356, 182078), (376, 172393), (596, 108758), (611, 106088), (712, 91039), (1157, 56024), (1192, 54379), (1222, 53044), (1937, 33464), (2314, 28012), (2444, 26522), (3874, 16732), (4183, 15496), (4628, 14006), (4888, 13261), (7003, 9256), (7748, 8366)]