781141568

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 84

約数和(自身を含む): 1663270740

約数和(自身を除く): 882129172

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 157, 269, 272, 289, 314, 538, 544, 578, 628, 1076, 1088, 1156, 1256, 2152, 2312, 2512, 2669, 4304, 4573, 4624, 5024, 5338, 8608, 9146, 9248, 10048, 10676, 17216, 18292, 18496, 21352, 36584, 42233, 42704, 45373, 73168, 77741, 84466, 85408, 90746, 146336, 155482, 168932, 170816, 181492, 292672, 310964, 337864, 362984, 621928, 675728, 717961, 725968, 1243856, 1351456, 1435922, 1451936, 2487712, 2702912, 2871844, 2903872, 4975424, 5743688, 11487376, 12205337, 22974752, 24410674, 45949504, 48821348, 97642696, 195285392, 390570784, 781141568]

約数ペア:

[(1, 781141568), (2, 390570784), (4, 195285392), (8, 97642696), (16, 48821348), (17, 45949504), (32, 24410674), (34, 22974752), (64, 12205337), (68, 11487376), (136, 5743688), (157, 4975424), (269, 2903872), (272, 2871844), (289, 2702912), (314, 2487712), (538, 1451936), (544, 1435922), (578, 1351456), (628, 1243856), (1076, 725968), (1088, 717961), (1156, 675728), (1256, 621928), (2152, 362984), (2312, 337864), (2512, 310964), (2669, 292672), (4304, 181492), (4573, 170816), (4624, 168932), (5024, 155482), (5338, 146336), (8608, 90746), (9146, 85408), (9248, 84466), (10048, 77741), (10676, 73168), (17216, 45373), (18292, 42704), (18496, 42233), (21352, 36584)]