49797475

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 80151120

約数和(自身を除く): 30353645

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 59, 65, 91, 175, 245, 265, 295, 325, 371, 413, 455, 637, 689, 767, 1225, 1325, 1475, 1855, 2065, 2275, 2597, 2891, 3127, 3185, 3445, 3835, 4823, 5369, 9275, 10325, 12985, 14455, 15635, 15925, 17225, 19175, 21889, 24115, 26845, 33761, 37583, 40651, 64925, 72275, 78175, 109445, 120575, 134225, 153223, 168805, 187915, 203255, 284557, 547225, 766115, 844025, 939575, 1016275, 1422785, 1991899, 3830575, 7113925, 9959495, 49797475]

約数ペア:

[(1, 49797475), (5, 9959495), (7, 7113925), (13, 3830575), (25, 1991899), (35, 1422785), (49, 1016275), (53, 939575), (59, 844025), (65, 766115), (91, 547225), (175, 284557), (245, 203255), (265, 187915), (295, 168805), (325, 153223), (371, 134225), (413, 120575), (455, 109445), (637, 78175), (689, 72275), (767, 64925), (1225, 40651), (1325, 37583), (1475, 33761), (1855, 26845), (2065, 24115), (2275, 21889), (2597, 19175), (2891, 17225), (3127, 15925), (3185, 15635), (3445, 14455), (3835, 12985), (4823, 10325), (5369, 9275)]