71441552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 172072320

約数和(自身を除く): 100630768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 208, 278, 353, 364, 556, 706, 728, 973, 1112, 1412, 1456, 1807, 1946, 2224, 2471, 2824, 3614, 3892, 4589, 4942, 5648, 7228, 7784, 9178, 9884, 12649, 14456, 15568, 18356, 19768, 25298, 28912, 32123, 36712, 39536, 49067, 50596, 64246, 73424, 98134, 101192, 128492, 196268, 202384, 256984, 343469, 392536, 513968, 637871, 686938, 785072, 1275742, 1373876, 2551484, 2747752, 4465097, 5102968, 5495504, 8930194, 10205936, 17860388, 35720776, 71441552]

約数ペア:

[(1, 71441552), (2, 35720776), (4, 17860388), (7, 10205936), (8, 8930194), (13, 5495504), (14, 5102968), (16, 4465097), (26, 2747752), (28, 2551484), (52, 1373876), (56, 1275742), (91, 785072), (104, 686938), (112, 637871), (139, 513968), (182, 392536), (208, 343469), (278, 256984), (353, 202384), (364, 196268), (556, 128492), (706, 101192), (728, 98134), (973, 73424), (1112, 64246), (1412, 50596), (1456, 49067), (1807, 39536), (1946, 36712), (2224, 32123), (2471, 28912), (2824, 25298), (3614, 19768), (3892, 18356), (4589, 15568), (4942, 14456), (5648, 12649), (7228, 9884), (7784, 9178)]