51788737

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 74692800

約数和(自身を除く): 22904063

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 133, 143, 209, 247, 389, 539, 637, 931, 1001, 1463, 1729, 2717, 2723, 4279, 5057, 7007, 7391, 10241, 12103, 19019, 19061, 29953, 35399, 51737, 55627, 81301, 96083, 133133, 209671, 247793, 362159, 389389, 569107, 672581, 1056913, 2725723, 3983749, 4708067, 7398391, 51788737]

約数ペア:

[(1, 51788737), (7, 7398391), (11, 4708067), (13, 3983749), (19, 2725723), (49, 1056913), (77, 672581), (91, 569107), (133, 389389), (143, 362159), (209, 247793), (247, 209671), (389, 133133), (539, 96083), (637, 81301), (931, 55627), (1001, 51737), (1463, 35399), (1729, 29953), (2717, 19061), (2723, 19019), (4279, 12103), (5057, 10241), (7007, 7391)]