28789712

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 68328960

約数和(自身を除く): 39539248

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 83, 112, 133, 152, 163, 166, 266, 304, 326, 332, 532, 581, 652, 664, 1064, 1141, 1162, 1304, 1328, 1577, 2128, 2282, 2324, 2608, 3097, 3154, 4564, 4648, 6194, 6308, 9128, 9296, 11039, 12388, 12616, 13529, 18256, 21679, 22078, 24776, 25232, 27058, 43358, 44156, 49552, 54116, 86716, 88312, 94703, 108232, 173432, 176624, 189406, 216464, 257051, 346864, 378812, 514102, 757624, 1028204, 1515248, 1799357, 2056408, 3598714, 4112816, 7197428, 14394856, 28789712]

約数ペア:

[(1, 28789712), (2, 14394856), (4, 7197428), (7, 4112816), (8, 3598714), (14, 2056408), (16, 1799357), (19, 1515248), (28, 1028204), (38, 757624), (56, 514102), (76, 378812), (83, 346864), (112, 257051), (133, 216464), (152, 189406), (163, 176624), (166, 173432), (266, 108232), (304, 94703), (326, 88312), (332, 86716), (532, 54116), (581, 49552), (652, 44156), (664, 43358), (1064, 27058), (1141, 25232), (1162, 24776), (1304, 22078), (1328, 21679), (1577, 18256), (2128, 13529), (2282, 12616), (2324, 12388), (2608, 11039), (3097, 9296), (3154, 9128), (4564, 6308), (4648, 6194)]