64919904196

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{25321}}^1$

素因数の和:25569

約数の個数: 72

約数和(自身を含む): 134497499136

約数和(自身を除く): 69577594940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 127, 196, 206, 254, 412, 508, 721, 889, 1442, 1778, 2884, 3556, 5047, 6223, 10094, 12446, 13081, 20188, 24892, 25321, 26162, 50642, 52324, 91567, 101284, 177247, 183134, 354494, 366268, 640969, 708988, 1240729, 1281938, 2481458, 2563876, 2608063, 3215767, 4962916, 5216126, 6431534, 10432252, 12863068, 18256441, 22510369, 36512882, 45020738, 73025764, 90041476, 127795087, 157572583, 255590174, 315145166, 331224001, 511180348, 630290332, 662448002, 1324896004, 2318568007, 4637136014, 9274272028, 16229976049, 32459952098, 64919904196]

約数ペア:

[(1, 64919904196), (2, 32459952098), (4, 16229976049), (7, 9274272028), (14, 4637136014), (28, 2318568007), (49, 1324896004), (98, 662448002), (103, 630290332), (127, 511180348), (196, 331224001), (206, 315145166), (254, 255590174), (412, 157572583), (508, 127795087), (721, 90041476), (889, 73025764), (1442, 45020738), (1778, 36512882), (2884, 22510369), (3556, 18256441), (5047, 12863068), (6223, 10432252), (10094, 6431534), (12446, 5216126), (13081, 4962916), (20188, 3215767), (24892, 2608063), (25321, 2563876), (26162, 2481458), (50642, 1281938), (52324, 1240729), (91567, 708988), (101284, 640969), (177247, 366268), (183134, 354494)]