1279658512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1784

約数の個数: 80

約数和(自身を含む): 2860084800

約数和(自身を除く): 1580426288

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 257, 304, 418, 514, 836, 1028, 1489, 1672, 2056, 2827, 2978, 3344, 4112, 4883, 5654, 5956, 9766, 11308, 11912, 16379, 19532, 22616, 23824, 28291, 32758, 39064, 45232, 53713, 56582, 65516, 78128, 107426, 113164, 131032, 214852, 226328, 262064, 311201, 382673, 429704, 452656, 622402, 765346, 859408, 1244804, 1530692, 2489608, 3061384, 4209403, 4979216, 6122768, 7270787, 8418806, 14541574, 16837612, 29083148, 33675224, 58166296, 67350448, 79978657, 116332592, 159957314, 319914628, 639829256, 1279658512]

約数ペア:

[(1, 1279658512), (2, 639829256), (4, 319914628), (8, 159957314), (11, 116332592), (16, 79978657), (19, 67350448), (22, 58166296), (38, 33675224), (44, 29083148), (76, 16837612), (88, 14541574), (152, 8418806), (176, 7270787), (209, 6122768), (257, 4979216), (304, 4209403), (418, 3061384), (514, 2489608), (836, 1530692), (1028, 1244804), (1489, 859408), (1672, 765346), (2056, 622402), (2827, 452656), (2978, 429704), (3344, 382673), (4112, 311201), (4883, 262064), (5654, 226328), (5956, 214852), (9766, 131032), (11308, 113164), (11912, 107426), (16379, 78128), (19532, 65516), (22616, 56582), (23824, 53713), (28291, 45232), (32758, 39064)]