208348072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 217431128

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 127, 152, 172, 251, 254, 344, 502, 508, 817, 1004, 1016, 1634, 2008, 2413, 3268, 4769, 4826, 5461, 6536, 9538, 9652, 10793, 10922, 19076, 19304, 21586, 21844, 31877, 38152, 43172, 43688, 63754, 86344, 103759, 127508, 205067, 207518, 255016, 410134, 415036, 605663, 820268, 830072, 1211326, 1370711, 1640536, 2422652, 2741422, 4845304, 5482844, 10965688, 26043509, 52087018, 104174036, 208348072]

約数ペア:

[(1, 208348072), (2, 104174036), (4, 52087018), (8, 26043509), (19, 10965688), (38, 5482844), (43, 4845304), (76, 2741422), (86, 2422652), (127, 1640536), (152, 1370711), (172, 1211326), (251, 830072), (254, 820268), (344, 605663), (502, 415036), (508, 410134), (817, 255016), (1004, 207518), (1016, 205067), (1634, 127508), (2008, 103759), (2413, 86344), (3268, 63754), (4769, 43688), (4826, 43172), (5461, 38152), (6536, 31877), (9538, 21844), (9652, 21586), (10793, 19304), (10922, 19076)]