156798425

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 231508992

約数和(自身を除く): 74710567

約数列:

[1, 5, 7, 25, 35, 43, 67, 175, 215, 301, 311, 335, 469, 1075, 1505, 1555, 1675, 2177, 2345, 2881, 7525, 7775, 10885, 11725, 13373, 14405, 20167, 20837, 54425, 66865, 72025, 93611, 100835, 104185, 145859, 334325, 468055, 504175, 520925, 729295, 895991, 2340275, 3646475, 4479955, 6271937, 22399775, 31359685, 156798425]

約数ペア:

[(1, 156798425), (5, 31359685), (7, 22399775), (25, 6271937), (35, 4479955), (43, 3646475), (67, 2340275), (175, 895991), (215, 729295), (301, 520925), (311, 504175), (335, 468055), (469, 334325), (1075, 145859), (1505, 104185), (1555, 100835), (1675, 93611), (2177, 72025), (2345, 66865), (2881, 54425), (7525, 20837), (7775, 20167), (10885, 14405), (11725, 13373)]