291557728

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 746468352

約数和(自身を除く): 454910624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 224, 242, 248, 308, 341, 347, 352, 434, 484, 496, 616, 682, 694, 847, 868, 968, 992, 1232, 1364, 1388, 1694, 1736, 1936, 2387, 2429, 2464, 2728, 2776, 3388, 3472, 3751, 3817, 3872, 4774, 4858, 5456, 5552, 6776, 6944, 7502, 7634, 9548, 9716, 10757, 10912, 11104, 13552, 15004, 15268, 19096, 19432, 21514, 26257, 26719, 27104, 30008, 30536, 38192, 38864, 41987, 43028, 52514, 53438, 60016, 61072, 75299, 76384, 77728, 83974, 86056, 105028, 106876, 118327, 120032, 122144, 150598, 167948, 172112, 210056, 213752, 236654, 293909, 301196, 335896, 344224, 420112, 427504, 473308, 587818, 602392, 671792, 828289, 840224, 855008, 946616, 1175636, 1204784, 1301597, 1343584, 1656578, 1893232, 2351272, 2409568, 2603194, 3313156, 3786464, 4702544, 5206388, 6626312, 9111179, 9405088, 10412776, 13252624, 18222358, 20825552, 26505248, 36444716, 41651104, 72889432, 145778864, 291557728]

約数ペア:

[(1, 291557728), (2, 145778864), (4, 72889432), (7, 41651104), (8, 36444716), (11, 26505248), (14, 20825552), (16, 18222358), (22, 13252624), (28, 10412776), (31, 9405088), (32, 9111179), (44, 6626312), (56, 5206388), (62, 4702544), (77, 3786464), (88, 3313156), (112, 2603194), (121, 2409568), (124, 2351272), (154, 1893232), (176, 1656578), (217, 1343584), (224, 1301597), (242, 1204784), (248, 1175636), (308, 946616), (341, 855008), (347, 840224), (352, 828289), (434, 671792), (484, 602392), (496, 587818), (616, 473308), (682, 427504), (694, 420112), (847, 344224), (868, 335896), (968, 301196), (992, 293909), (1232, 236654), (1364, 213752), (1388, 210056), (1694, 172112), (1736, 167948), (1936, 150598), (2387, 122144), (2429, 120032), (2464, 118327), (2728, 106876), (2776, 105028), (3388, 86056), (3472, 83974), (3751, 77728), (3817, 76384), (3872, 75299), (4774, 61072), (4858, 60016), (5456, 53438), (5552, 52514), (6776, 43028), (6944, 41987), (7502, 38864), (7634, 38192), (9548, 30536), (9716, 30008), (10757, 27104), (10912, 26719), (11104, 26257), (13552, 21514), (15004, 19432), (15268, 19096)]