51355005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 94832640

約数和(自身を除く): 43477635

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 83, 95, 167, 195, 247, 249, 285, 415, 501, 741, 835, 1079, 1235, 1245, 1577, 2171, 2505, 3173, 3237, 3705, 4731, 5395, 6513, 7885, 9519, 10855, 13861, 15865, 16185, 20501, 23655, 32565, 41249, 41583, 47595, 61503, 69305, 102505, 123747, 180193, 206245, 207915, 263359, 307515, 540579, 618735, 790077, 900965, 1316795, 2702895, 3423667, 3950385, 10271001, 17118335, 51355005]

約数ペア:

[(1, 51355005), (3, 17118335), (5, 10271001), (13, 3950385), (15, 3423667), (19, 2702895), (39, 1316795), (57, 900965), (65, 790077), (83, 618735), (95, 540579), (167, 307515), (195, 263359), (247, 207915), (249, 206245), (285, 180193), (415, 123747), (501, 102505), (741, 69305), (835, 61503), (1079, 47595), (1235, 41583), (1245, 41249), (1577, 32565), (2171, 23655), (2505, 20501), (3173, 16185), (3237, 15865), (3705, 13861), (4731, 10855), (5395, 9519), (6513, 7885)]