211783208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 490600320

約数和(自身を除く): 278817112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 421, 691, 728, 842, 1382, 1684, 2764, 2947, 3368, 4837, 5473, 5528, 5894, 8983, 9674, 10946, 11788, 17966, 19348, 21892, 23576, 35932, 38311, 38696, 43784, 62881, 71864, 76622, 125762, 153244, 251524, 290911, 306488, 503048, 581822, 1163644, 2036377, 2327288, 3781843, 4072754, 7563686, 8145508, 15127372, 16291016, 26472901, 30254744, 52945802, 105891604, 211783208]

約数ペア:

[(1, 211783208), (2, 105891604), (4, 52945802), (7, 30254744), (8, 26472901), (13, 16291016), (14, 15127372), (26, 8145508), (28, 7563686), (52, 4072754), (56, 3781843), (91, 2327288), (104, 2036377), (182, 1163644), (364, 581822), (421, 503048), (691, 306488), (728, 290911), (842, 251524), (1382, 153244), (1684, 125762), (2764, 76622), (2947, 71864), (3368, 62881), (4837, 43784), (5473, 38696), (5528, 38311), (5894, 35932), (8983, 23576), (9674, 21892), (10946, 19348), (11788, 17966)]