81930136

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 166430880

約数和(自身を除く): 84500744

約数列:

[1, 2, 4, 8, 37, 41, 43, 74, 82, 86, 148, 157, 164, 172, 296, 314, 328, 344, 628, 1256, 1517, 1591, 1763, 3034, 3182, 3526, 5809, 6068, 6364, 6437, 6751, 7052, 11618, 12136, 12728, 12874, 13502, 14104, 23236, 25748, 27004, 46472, 51496, 54008, 65231, 130462, 238169, 249787, 260924, 276791, 476338, 499574, 521848, 553582, 952676, 999148, 1107164, 1905352, 1998296, 2214328, 10241267, 20482534, 40965068, 81930136]

約数ペア:

[(1, 81930136), (2, 40965068), (4, 20482534), (8, 10241267), (37, 2214328), (41, 1998296), (43, 1905352), (74, 1107164), (82, 999148), (86, 952676), (148, 553582), (157, 521848), (164, 499574), (172, 476338), (296, 276791), (314, 260924), (328, 249787), (344, 238169), (628, 130462), (1256, 65231), (1517, 54008), (1591, 51496), (1763, 46472), (3034, 27004), (3182, 25748), (3526, 23236), (5809, 14104), (6068, 13502), (6364, 12874), (6437, 12728), (6751, 12136), (7052, 11618)]