28821408

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:595

約数の個数: 144

約数和(自身を含む): 96181344

約数和(自身を除く): 67359936

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 392, 462, 528, 539, 557, 588, 616, 672, 784, 924, 1056, 1078, 1114, 1176, 1232, 1568, 1617, 1671, 1848, 2156, 2228, 2352, 2464, 3234, 3342, 3696, 3899, 4312, 4456, 4704, 6127, 6468, 6684, 7392, 7798, 8624, 8912, 11697, 12254, 12936, 13368, 15596, 17248, 17824, 18381, 23394, 24508, 25872, 26736, 27293, 31192, 36762, 42889, 46788, 49016, 51744, 53472, 54586, 62384, 73524, 81879, 85778, 93576, 98032, 109172, 124768, 128667, 147048, 163758, 171556, 187152, 196064, 218344, 257334, 294096, 300223, 327516, 343112, 374304, 436688, 514668, 588192, 600446, 655032, 686224, 873376, 900669, 1029336, 1200892, 1310064, 1372448, 1801338, 2058672, 2401784, 2620128, 3602676, 4117344, 4803568, 7205352, 9607136, 14410704, 28821408]

約数ペア:

[(1, 28821408), (2, 14410704), (3, 9607136), (4, 7205352), (6, 4803568), (7, 4117344), (8, 3602676), (11, 2620128), (12, 2401784), (14, 2058672), (16, 1801338), (21, 1372448), (22, 1310064), (24, 1200892), (28, 1029336), (32, 900669), (33, 873376), (42, 686224), (44, 655032), (48, 600446), (49, 588192), (56, 514668), (66, 436688), (77, 374304), (84, 343112), (88, 327516), (96, 300223), (98, 294096), (112, 257334), (132, 218344), (147, 196064), (154, 187152), (168, 171556), (176, 163758), (196, 147048), (224, 128667), (231, 124768), (264, 109172), (294, 98032), (308, 93576), (336, 85778), (352, 81879), (392, 73524), (462, 62384), (528, 54586), (539, 53472), (557, 51744), (588, 49016), (616, 46788), (672, 42889), (784, 36762), (924, 31192), (1056, 27293), (1078, 26736), (1114, 25872), (1176, 24508), (1232, 23394), (1568, 18381), (1617, 17824), (1671, 17248), (1848, 15596), (2156, 13368), (2228, 12936), (2352, 12254), (2464, 11697), (3234, 8912), (3342, 8624), (3696, 7798), (3899, 7392), (4312, 6684), (4456, 6468), (4704, 6127)]