72231628

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 148207360

約数和(自身を除く): 75975732

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 139, 268, 277, 278, 469, 554, 556, 938, 973, 1108, 1876, 1939, 1946, 3878, 3892, 7756, 9313, 18559, 18626, 37118, 37252, 38503, 65191, 74236, 77006, 129913, 130382, 154012, 259826, 260764, 269521, 519652, 539042, 1078084, 2579701, 5159402, 10318804, 18057907, 36115814, 72231628]

約数ペア:

[(1, 72231628), (2, 36115814), (4, 18057907), (7, 10318804), (14, 5159402), (28, 2579701), (67, 1078084), (134, 539042), (139, 519652), (268, 269521), (277, 260764), (278, 259826), (469, 154012), (554, 130382), (556, 129913), (938, 77006), (973, 74236), (1108, 65191), (1876, 38503), (1939, 37252), (1946, 37118), (3878, 18626), (3892, 18559), (7756, 9313)]