51494079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 90316800

約数和(自身を除く): 38822721

約数列:

[1, 3, 7, 13, 21, 23, 39, 59, 69, 91, 139, 161, 177, 273, 299, 413, 417, 483, 767, 897, 973, 1239, 1357, 1807, 2093, 2301, 2919, 3197, 4071, 5369, 5421, 6279, 8201, 9499, 9591, 12649, 16107, 17641, 22379, 24603, 28497, 37947, 41561, 52923, 57407, 67137, 106613, 123487, 124683, 172221, 188623, 290927, 319839, 370461, 565869, 746291, 872781, 1320361, 2238873, 2452099, 3961083, 7356297, 17164693, 51494079]

約数ペア:

[(1, 51494079), (3, 17164693), (7, 7356297), (13, 3961083), (21, 2452099), (23, 2238873), (39, 1320361), (59, 872781), (69, 746291), (91, 565869), (139, 370461), (161, 319839), (177, 290927), (273, 188623), (299, 172221), (413, 124683), (417, 123487), (483, 106613), (767, 67137), (897, 57407), (973, 52923), (1239, 41561), (1357, 37947), (1807, 28497), (2093, 24603), (2301, 22379), (2919, 17641), (3197, 16107), (4071, 12649), (5369, 9591), (5421, 9499), (6279, 8201)]