155516725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 239234688

約数和(自身を除く): 83717963

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 197, 325, 347, 455, 985, 1379, 1735, 2275, 2429, 2561, 4511, 4925, 6895, 8675, 12145, 12805, 17927, 22555, 31577, 34475, 60725, 64025, 68359, 89635, 112775, 157885, 341795, 448175, 478513, 789425, 888667, 1708975, 2392565, 4443335, 6220669, 11962825, 22216675, 31103345, 155516725]

約数ペア:

[(1, 155516725), (5, 31103345), (7, 22216675), (13, 11962825), (25, 6220669), (35, 4443335), (65, 2392565), (91, 1708975), (175, 888667), (197, 789425), (325, 478513), (347, 448175), (455, 341795), (985, 157885), (1379, 112775), (1735, 89635), (2275, 68359), (2429, 64025), (2561, 60725), (4511, 34475), (4925, 31577), (6895, 22555), (8675, 17927), (12145, 12805)]