261019392

素因数分解:

$2^8\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2281}}^1$

素因数の和:2449

約数の個数: 72

約数和(自身を含む): 699661200

約数和(自身を除く): 438641808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 149, 192, 256, 298, 384, 447, 596, 768, 894, 1192, 1788, 2281, 2384, 3576, 4562, 4768, 6843, 7152, 9124, 9536, 13686, 14304, 18248, 19072, 27372, 28608, 36496, 38144, 54744, 57216, 72992, 109488, 114432, 145984, 218976, 291968, 339869, 437952, 583936, 679738, 875904, 1019607, 1359476, 1751808, 2039214, 2718952, 4078428, 5437904, 8156856, 10875808, 16313712, 21751616, 32627424, 43503232, 65254848, 87006464, 130509696, 261019392]

約数ペア:

[(1, 261019392), (2, 130509696), (3, 87006464), (4, 65254848), (6, 43503232), (8, 32627424), (12, 21751616), (16, 16313712), (24, 10875808), (32, 8156856), (48, 5437904), (64, 4078428), (96, 2718952), (128, 2039214), (149, 1751808), (192, 1359476), (256, 1019607), (298, 875904), (384, 679738), (447, 583936), (596, 437952), (768, 339869), (894, 291968), (1192, 218976), (1788, 145984), (2281, 114432), (2384, 109488), (3576, 72992), (4562, 57216), (4768, 54744), (6843, 38144), (7152, 36496), (9124, 28608), (9536, 27372), (13686, 19072), (14304, 18248)]