211907072

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 479255040

約数和(自身を除く): 267347968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 79, 104, 124, 128, 158, 169, 208, 248, 256, 316, 338, 403, 416, 496, 512, 632, 676, 806, 832, 992, 1027, 1264, 1352, 1612, 1664, 1984, 2054, 2449, 2528, 2704, 3224, 3328, 3968, 4108, 4898, 5056, 5239, 5408, 6448, 6656, 7936, 8216, 9796, 10112, 10478, 10816, 12896, 13351, 15872, 16432, 19592, 20224, 20956, 21632, 25792, 26702, 31837, 32864, 39184, 40448, 41912, 43264, 51584, 53404, 63674, 65728, 78368, 83824, 86528, 103168, 106808, 127348, 131456, 156736, 167648, 206336, 213616, 254696, 262912, 313472, 335296, 413881, 427232, 509392, 525824, 626944, 670592, 827762, 854464, 1018784, 1253888, 1341184, 1655524, 1708928, 2037568, 2682368, 3311048, 3417856, 4075136, 6622096, 6835712, 8150272, 13244192, 16300544, 26488384, 52976768, 105953536, 211907072]

約数ペア:

[(1, 211907072), (2, 105953536), (4, 52976768), (8, 26488384), (13, 16300544), (16, 13244192), (26, 8150272), (31, 6835712), (32, 6622096), (52, 4075136), (62, 3417856), (64, 3311048), (79, 2682368), (104, 2037568), (124, 1708928), (128, 1655524), (158, 1341184), (169, 1253888), (208, 1018784), (248, 854464), (256, 827762), (316, 670592), (338, 626944), (403, 525824), (416, 509392), (496, 427232), (512, 413881), (632, 335296), (676, 313472), (806, 262912), (832, 254696), (992, 213616), (1027, 206336), (1264, 167648), (1352, 156736), (1612, 131456), (1664, 127348), (1984, 106808), (2054, 103168), (2449, 86528), (2528, 83824), (2704, 78368), (3224, 65728), (3328, 63674), (3968, 53404), (4108, 51584), (4898, 43264), (5056, 41912), (5239, 40448), (5408, 39184), (6448, 32864), (6656, 31837), (7936, 26702), (8216, 25792), (9796, 21632), (10112, 20956), (10478, 20224), (10816, 19592), (12896, 16432), (13351, 15872)]