257942784

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 788820480

約数和(自身を除く): 530877696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 128, 132, 152, 176, 192, 209, 228, 256, 264, 304, 352, 384, 418, 456, 528, 608, 627, 704, 768, 836, 912, 1056, 1216, 1254, 1408, 1607, 1672, 1824, 2112, 2432, 2508, 2816, 3214, 3344, 3648, 4224, 4821, 4864, 5016, 6428, 6688, 7296, 8448, 9642, 10032, 12856, 13376, 14592, 17677, 19284, 20064, 25712, 26752, 30533, 35354, 38568, 40128, 51424, 53031, 53504, 61066, 70708, 77136, 80256, 91599, 102848, 106062, 122132, 141416, 154272, 160512, 183198, 205696, 212124, 244264, 282832, 308544, 335863, 366396, 411392, 424248, 488528, 565664, 617088, 671726, 732792, 848496, 977056, 1007589, 1131328, 1234176, 1343452, 1465584, 1696992, 1954112, 2015178, 2262656, 2686904, 2931168, 3393984, 3908224, 4030356, 4525312, 5373808, 5862336, 6787968, 7816448, 8060712, 10747616, 11724672, 13575936, 16121424, 21495232, 23449344, 32242848, 42990464, 64485696, 85980928, 128971392, 257942784]

約数ペア:

[(1, 257942784), (2, 128971392), (3, 85980928), (4, 64485696), (6, 42990464), (8, 32242848), (11, 23449344), (12, 21495232), (16, 16121424), (19, 13575936), (22, 11724672), (24, 10747616), (32, 8060712), (33, 7816448), (38, 6787968), (44, 5862336), (48, 5373808), (57, 4525312), (64, 4030356), (66, 3908224), (76, 3393984), (88, 2931168), (96, 2686904), (114, 2262656), (128, 2015178), (132, 1954112), (152, 1696992), (176, 1465584), (192, 1343452), (209, 1234176), (228, 1131328), (256, 1007589), (264, 977056), (304, 848496), (352, 732792), (384, 671726), (418, 617088), (456, 565664), (528, 488528), (608, 424248), (627, 411392), (704, 366396), (768, 335863), (836, 308544), (912, 282832), (1056, 244264), (1216, 212124), (1254, 205696), (1408, 183198), (1607, 160512), (1672, 154272), (1824, 141416), (2112, 122132), (2432, 106062), (2508, 102848), (2816, 91599), (3214, 80256), (3344, 77136), (3648, 70708), (4224, 61066), (4821, 53504), (4864, 53031), (5016, 51424), (6428, 40128), (6688, 38568), (7296, 35354), (8448, 30533), (9642, 26752), (10032, 25712), (12856, 20064), (13376, 19284), (14592, 17677)]