81401088

素因数分解:

$2^8\times 3^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 219427488

約数和(自身を除く): 138026400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 256, 332, 384, 498, 664, 768, 996, 1277, 1328, 1992, 2554, 2656, 3831, 3984, 5108, 5312, 7662, 7968, 10216, 10624, 15324, 15936, 20432, 21248, 30648, 31872, 40864, 61296, 63744, 81728, 105991, 122592, 163456, 211982, 245184, 317973, 326912, 423964, 490368, 635946, 847928, 980736, 1271892, 1695856, 2543784, 3391712, 5087568, 6783424, 10175136, 13566848, 20350272, 27133696, 40700544, 81401088]

約数ペア:

[(1, 81401088), (2, 40700544), (3, 27133696), (4, 20350272), (6, 13566848), (8, 10175136), (12, 6783424), (16, 5087568), (24, 3391712), (32, 2543784), (48, 1695856), (64, 1271892), (83, 980736), (96, 847928), (128, 635946), (166, 490368), (192, 423964), (249, 326912), (256, 317973), (332, 245184), (384, 211982), (498, 163456), (664, 122592), (768, 105991), (996, 81728), (1277, 63744), (1328, 61296), (1992, 40864), (2554, 31872), (2656, 30648), (3831, 21248), (3984, 20432), (5108, 15936), (5312, 15324), (7662, 10624), (7968, 10216)]