28421008

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 77137920

約数和(自身を除く): 48716912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 23, 28, 34, 44, 46, 56, 59, 68, 77, 88, 92, 112, 118, 119, 136, 154, 161, 176, 184, 187, 236, 238, 253, 272, 308, 322, 368, 374, 391, 413, 472, 476, 506, 616, 644, 649, 748, 782, 826, 944, 952, 1003, 1012, 1232, 1288, 1298, 1309, 1357, 1496, 1564, 1652, 1771, 1904, 2006, 2024, 2576, 2596, 2618, 2714, 2737, 2992, 3128, 3304, 3542, 4012, 4048, 4301, 4543, 5192, 5236, 5428, 5474, 6256, 6608, 7021, 7084, 8024, 8602, 9086, 9499, 10384, 10472, 10856, 10948, 11033, 14042, 14168, 14927, 16048, 17204, 18172, 18998, 20944, 21712, 21896, 22066, 23069, 28084, 28336, 29854, 30107, 34408, 36344, 37996, 43792, 44132, 46138, 56168, 59708, 60214, 68816, 72688, 75992, 77231, 88264, 92276, 104489, 112336, 119416, 120428, 151984, 154462, 161483, 176528, 184552, 208978, 238832, 240856, 253759, 308924, 322966, 369104, 417956, 481712, 507518, 617848, 645932, 835912, 1015036, 1235696, 1291864, 1671824, 1776313, 2030072, 2583728, 3552626, 4060144, 7105252, 14210504, 28421008]

約数ペア:

[(1, 28421008), (2, 14210504), (4, 7105252), (7, 4060144), (8, 3552626), (11, 2583728), (14, 2030072), (16, 1776313), (17, 1671824), (22, 1291864), (23, 1235696), (28, 1015036), (34, 835912), (44, 645932), (46, 617848), (56, 507518), (59, 481712), (68, 417956), (77, 369104), (88, 322966), (92, 308924), (112, 253759), (118, 240856), (119, 238832), (136, 208978), (154, 184552), (161, 176528), (176, 161483), (184, 154462), (187, 151984), (236, 120428), (238, 119416), (253, 112336), (272, 104489), (308, 92276), (322, 88264), (368, 77231), (374, 75992), (391, 72688), (413, 68816), (472, 60214), (476, 59708), (506, 56168), (616, 46138), (644, 44132), (649, 43792), (748, 37996), (782, 36344), (826, 34408), (944, 30107), (952, 29854), (1003, 28336), (1012, 28084), (1232, 23069), (1288, 22066), (1298, 21896), (1309, 21712), (1357, 20944), (1496, 18998), (1564, 18172), (1652, 17204), (1771, 16048), (1904, 14927), (2006, 14168), (2024, 14042), (2576, 11033), (2596, 10948), (2618, 10856), (2714, 10472), (2737, 10384), (2992, 9499), (3128, 9086), (3304, 8602), (3542, 8024), (4012, 7084), (4048, 7021), (4301, 6608), (4543, 6256), (5192, 5474), (5236, 5428)]