1263998416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1748

約数の個数: 80

約数和(自身を含む): 2694631104

約数和(自身を除く): 1430632688

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 67, 68, 86, 134, 136, 172, 268, 272, 344, 536, 688, 731, 1072, 1139, 1462, 1613, 2278, 2881, 2924, 3226, 4556, 5762, 5848, 6452, 9112, 11524, 11696, 12904, 18224, 23048, 25808, 27421, 46096, 48977, 54842, 69359, 97954, 108071, 109684, 138718, 195908, 216142, 219368, 277436, 391816, 432284, 438736, 554872, 783632, 864568, 1109744, 1179103, 1729136, 1837207, 2358206, 3674414, 4647053, 4716412, 7348828, 9294106, 9432824, 14697656, 18588212, 18865648, 29395312, 37176424, 74352848, 78999901, 157999802, 315999604, 631999208, 1263998416]

約数ペア:

[(1, 1263998416), (2, 631999208), (4, 315999604), (8, 157999802), (16, 78999901), (17, 74352848), (34, 37176424), (43, 29395312), (67, 18865648), (68, 18588212), (86, 14697656), (134, 9432824), (136, 9294106), (172, 7348828), (268, 4716412), (272, 4647053), (344, 3674414), (536, 2358206), (688, 1837207), (731, 1729136), (1072, 1179103), (1139, 1109744), (1462, 864568), (1613, 783632), (2278, 554872), (2881, 438736), (2924, 432284), (3226, 391816), (4556, 277436), (5762, 219368), (5848, 216142), (6452, 195908), (9112, 138718), (11524, 109684), (11696, 108071), (12904, 97954), (18224, 69359), (23048, 54842), (25808, 48977), (27421, 46096)]