239865405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 440052480

約数和(自身を除く): 200187075

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 101, 195, 247, 285, 303, 505, 641, 741, 1235, 1313, 1515, 1919, 1923, 3205, 3705, 3939, 5757, 6565, 8333, 9595, 9615, 12179, 19695, 24947, 24999, 28785, 36537, 41665, 60895, 64741, 74841, 124735, 124995, 158327, 182685, 194223, 323705, 374205, 474981, 791635, 841633, 971115, 1230079, 2374905, 2524899, 3690237, 4208165, 6150395, 12624495, 15991027, 18451185, 47973081, 79955135, 239865405]

約数ペア:

[(1, 239865405), (3, 79955135), (5, 47973081), (13, 18451185), (15, 15991027), (19, 12624495), (39, 6150395), (57, 4208165), (65, 3690237), (95, 2524899), (101, 2374905), (195, 1230079), (247, 971115), (285, 841633), (303, 791635), (505, 474981), (641, 374205), (741, 323705), (1235, 194223), (1313, 182685), (1515, 158327), (1919, 124995), (1923, 124735), (3205, 74841), (3705, 64741), (3939, 60895), (5757, 41665), (6565, 36537), (8333, 28785), (9595, 24999), (9615, 24947), (12179, 19695)]