278931136

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 84

約数和(自身を含む): 614832400

約数和(自身を除く): 335901264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 181, 199, 242, 352, 362, 398, 484, 704, 724, 796, 968, 1448, 1592, 1936, 1991, 2189, 2896, 3184, 3872, 3982, 4378, 5792, 6368, 7744, 7964, 8756, 11584, 12736, 15928, 17512, 21901, 24079, 31856, 35024, 36019, 43802, 48158, 63712, 70048, 72038, 87604, 96316, 127424, 140096, 144076, 175208, 192632, 288152, 350416, 385264, 396209, 576304, 700832, 770528, 792418, 1152608, 1401664, 1541056, 1584836, 2305216, 3169672, 4358299, 6339344, 8716598, 12678688, 17433196, 25357376, 34866392, 69732784, 139465568, 278931136]

約数ペア:

[(1, 278931136), (2, 139465568), (4, 69732784), (8, 34866392), (11, 25357376), (16, 17433196), (22, 12678688), (32, 8716598), (44, 6339344), (64, 4358299), (88, 3169672), (121, 2305216), (176, 1584836), (181, 1541056), (199, 1401664), (242, 1152608), (352, 792418), (362, 770528), (398, 700832), (484, 576304), (704, 396209), (724, 385264), (796, 350416), (968, 288152), (1448, 192632), (1592, 175208), (1936, 144076), (1991, 140096), (2189, 127424), (2896, 96316), (3184, 87604), (3872, 72038), (3982, 70048), (4378, 63712), (5792, 48158), (6368, 43802), (7744, 36019), (7964, 35024), (8756, 31856), (11584, 24079), (12736, 21901), (15928, 17512)]