1981253248

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1367}}^1$

素因数の和:1474

約数の個数: 96

約数和(自身を含む): 4340964960

約数和(自身を除く): 2359711712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 169, 208, 268, 338, 416, 536, 676, 832, 871, 1072, 1352, 1367, 1664, 1742, 2144, 2704, 2734, 3484, 4288, 5408, 5468, 6968, 8576, 10816, 10936, 11323, 13936, 17771, 21632, 21872, 22646, 27872, 35542, 43744, 45292, 55744, 71084, 87488, 90584, 91589, 111488, 142168, 174976, 181168, 183178, 231023, 284336, 362336, 366356, 462046, 568672, 724672, 732712, 924092, 1137344, 1190657, 1449344, 1465424, 1848184, 2274688, 2381314, 2930848, 3696368, 4762628, 5861696, 7392736, 9525256, 11723392, 14785472, 15478541, 19050512, 29570944, 30957082, 38101024, 61914164, 76202048, 123828328, 152404096, 247656656, 495313312, 990626624, 1981253248]

約数ペア:

[(1, 1981253248), (2, 990626624), (4, 495313312), (8, 247656656), (13, 152404096), (16, 123828328), (26, 76202048), (32, 61914164), (52, 38101024), (64, 30957082), (67, 29570944), (104, 19050512), (128, 15478541), (134, 14785472), (169, 11723392), (208, 9525256), (268, 7392736), (338, 5861696), (416, 4762628), (536, 3696368), (676, 2930848), (832, 2381314), (871, 2274688), (1072, 1848184), (1352, 1465424), (1367, 1449344), (1664, 1190657), (1742, 1137344), (2144, 924092), (2704, 732712), (2734, 724672), (3484, 568672), (4288, 462046), (5408, 366356), (5468, 362336), (6968, 284336), (8576, 231023), (10816, 183178), (10936, 181168), (11323, 174976), (13936, 142168), (17771, 111488), (21632, 91589), (21872, 90584), (22646, 87488), (27872, 71084), (35542, 55744), (43744, 45292)]