17780498502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{128861}}^1$

素因数の和:128969

約数の個数: 64

約数和(自身を含む): 40266797760

約数和(自身を除く): 22486299258

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 61, 78, 87, 122, 174, 183, 366, 377, 754, 793, 1131, 1586, 1769, 2262, 2379, 3538, 4758, 5307, 10614, 22997, 45994, 68991, 128861, 137982, 257722, 386583, 773166, 1675193, 3350386, 3736969, 5025579, 7473938, 7860521, 10051158, 11210907, 15721042, 22421814, 23581563, 47163126, 48580597, 97161194, 102186773, 145741791, 204373546, 227955109, 291483582, 306560319, 455910218, 613120638, 683865327, 1367730654, 2963416417, 5926832834, 8890249251, 17780498502]

約数ペア:

[(1, 17780498502), (2, 8890249251), (3, 5926832834), (6, 2963416417), (13, 1367730654), (26, 683865327), (29, 613120638), (39, 455910218), (58, 306560319), (61, 291483582), (78, 227955109), (87, 204373546), (122, 145741791), (174, 102186773), (183, 97161194), (366, 48580597), (377, 47163126), (754, 23581563), (793, 22421814), (1131, 15721042), (1586, 11210907), (1769, 10051158), (2262, 7860521), (2379, 7473938), (3538, 5025579), (4758, 3736969), (5307, 3350386), (10614, 1675193), (22997, 773166), (45994, 386583), (68991, 257722), (128861, 137982)]