71391008

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 72

約数和(自身を含む): 156241008

約数和(自身を除く): 84850000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 169, 172, 208, 307, 338, 344, 416, 559, 614, 676, 688, 1118, 1228, 1352, 1376, 2236, 2456, 2704, 3991, 4472, 4912, 5408, 7267, 7982, 8944, 9824, 13201, 14534, 15964, 17888, 26402, 29068, 31928, 51883, 52804, 58136, 63856, 103766, 105608, 116272, 127712, 171613, 207532, 211216, 232544, 343226, 415064, 422432, 686452, 830128, 1372904, 1660256, 2230969, 2745808, 4461938, 5491616, 8923876, 17847752, 35695504, 71391008]

約数ペア:

[(1, 71391008), (2, 35695504), (4, 17847752), (8, 8923876), (13, 5491616), (16, 4461938), (26, 2745808), (32, 2230969), (43, 1660256), (52, 1372904), (86, 830128), (104, 686452), (169, 422432), (172, 415064), (208, 343226), (307, 232544), (338, 211216), (344, 207532), (416, 171613), (559, 127712), (614, 116272), (676, 105608), (688, 103766), (1118, 63856), (1228, 58136), (1352, 52804), (1376, 51883), (2236, 31928), (2456, 29068), (2704, 26402), (3991, 17888), (4472, 15964), (4912, 14534), (5408, 13201), (7267, 9824), (7982, 8944)]