128577925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 190559232

約数和(自身を除く): 61981307

約数列:

[1, 5, 7, 25, 31, 35, 137, 155, 173, 175, 217, 685, 775, 865, 959, 1085, 1211, 3425, 4247, 4325, 4795, 5363, 5425, 6055, 21235, 23701, 23975, 26815, 29729, 30275, 37541, 106175, 118505, 134075, 148645, 165907, 187705, 592525, 734731, 743225, 829535, 938525, 3673655, 4147675, 5143117, 18368275, 25715585, 128577925]

約数ペア:

[(1, 128577925), (5, 25715585), (7, 18368275), (25, 5143117), (31, 4147675), (35, 3673655), (137, 938525), (155, 829535), (173, 743225), (175, 734731), (217, 592525), (685, 187705), (775, 165907), (865, 148645), (959, 134075), (1085, 118505), (1211, 106175), (3425, 37541), (4247, 30275), (4325, 29729), (4795, 26815), (5363, 23975), (5425, 23701), (6055, 21235)]