256487205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{7603}}^1$

素因数の和:7797

約数の個数: 32

約数和(自身を含む): 444560256

約数和(自身を除く): 188073051

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 865, 2249, 2595, 6747, 7603, 11245, 22809, 33735, 38015, 98839, 114045, 296517, 494195, 1315319, 1482585, 3945957, 6576595, 17099147, 19729785, 51297441, 85495735, 256487205]

約数ペア:

[(1, 256487205), (3, 85495735), (5, 51297441), (13, 19729785), (15, 17099147), (39, 6576595), (65, 3945957), (173, 1482585), (195, 1315319), (519, 494195), (865, 296517), (2249, 114045), (2595, 98839), (6747, 38015), (7603, 33735), (11245, 22809)]