1272783248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1481}}^1$

素因数の和:1776

約数の個数: 80

約数和(自身を含む): 2844728640

約数和(自身を除く): 1571945392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 257, 304, 418, 514, 836, 1028, 1481, 1672, 2056, 2827, 2962, 3344, 4112, 4883, 5654, 5924, 9766, 11308, 11848, 16291, 19532, 22616, 23696, 28139, 32582, 39064, 45232, 53713, 56278, 65164, 78128, 107426, 112556, 130328, 214852, 225112, 260656, 309529, 380617, 429704, 450224, 619058, 761234, 859408, 1238116, 1522468, 2476232, 3044936, 4186787, 4952464, 6089872, 7231723, 8373574, 14463446, 16747148, 28926892, 33494296, 57853784, 66988592, 79548953, 115707568, 159097906, 318195812, 636391624, 1272783248]

約数ペア:

[(1, 1272783248), (2, 636391624), (4, 318195812), (8, 159097906), (11, 115707568), (16, 79548953), (19, 66988592), (22, 57853784), (38, 33494296), (44, 28926892), (76, 16747148), (88, 14463446), (152, 8373574), (176, 7231723), (209, 6089872), (257, 4952464), (304, 4186787), (418, 3044936), (514, 2476232), (836, 1522468), (1028, 1238116), (1481, 859408), (1672, 761234), (2056, 619058), (2827, 450224), (2962, 429704), (3344, 380617), (4112, 309529), (4883, 260656), (5654, 225112), (5924, 214852), (9766, 130328), (11308, 112556), (11848, 107426), (16291, 78128), (19532, 65164), (22616, 56278), (23696, 53713), (28139, 45232), (32582, 39064)]