81347210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 178599168

約数和(自身を除く): 97251958

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 197, 238, 347, 394, 595, 694, 985, 1190, 1379, 1735, 1970, 2429, 2758, 3349, 3470, 4858, 5899, 6698, 6895, 11798, 12145, 13790, 16745, 23443, 24290, 29495, 33490, 41293, 46886, 58990, 68359, 82586, 117215, 136718, 206465, 234430, 341795, 412930, 478513, 683590, 957026, 1162103, 2324206, 2392565, 4785130, 5810515, 8134721, 11621030, 16269442, 40673605, 81347210]

約数ペア:

[(1, 81347210), (2, 40673605), (5, 16269442), (7, 11621030), (10, 8134721), (14, 5810515), (17, 4785130), (34, 2392565), (35, 2324206), (70, 1162103), (85, 957026), (119, 683590), (170, 478513), (197, 412930), (238, 341795), (347, 234430), (394, 206465), (595, 136718), (694, 117215), (985, 82586), (1190, 68359), (1379, 58990), (1735, 46886), (1970, 41293), (2429, 33490), (2758, 29495), (3349, 24290), (3470, 23443), (4858, 16745), (5899, 13790), (6698, 12145), (6895, 11798)]