81508736

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 88137664

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 118, 128, 172, 236, 251, 344, 472, 502, 688, 944, 1004, 1376, 1888, 2008, 2537, 2752, 3776, 4016, 5074, 5504, 7552, 8032, 10148, 10793, 14809, 16064, 20296, 21586, 29618, 32128, 40592, 43172, 59236, 81184, 86344, 118472, 162368, 172688, 236944, 324736, 345376, 473888, 636787, 690752, 947776, 1273574, 1381504, 1895552, 2547148, 5094296, 10188592, 20377184, 40754368, 81508736]

約数ペア:

[(1, 81508736), (2, 40754368), (4, 20377184), (8, 10188592), (16, 5094296), (32, 2547148), (43, 1895552), (59, 1381504), (64, 1273574), (86, 947776), (118, 690752), (128, 636787), (172, 473888), (236, 345376), (251, 324736), (344, 236944), (472, 172688), (502, 162368), (688, 118472), (944, 86344), (1004, 81184), (1376, 59236), (1888, 43172), (2008, 40592), (2537, 32128), (2752, 29618), (3776, 21586), (4016, 20296), (5074, 16064), (5504, 14809), (7552, 10793), (8032, 10148)]