25230975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 55282176

約数和(自身を除く): 30051201

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 25, 33, 35, 51, 55, 75, 77, 85, 105, 119, 165, 175, 187, 231, 255, 257, 275, 357, 385, 425, 525, 561, 595, 771, 825, 935, 1155, 1275, 1285, 1309, 1785, 1799, 1925, 2805, 2827, 2975, 3855, 3927, 4369, 4675, 5397, 5775, 6425, 6545, 8481, 8925, 8995, 13107, 14025, 14135, 19275, 19635, 19789, 21845, 26985, 30583, 32725, 42405, 44975, 48059, 59367, 65535, 70675, 91749, 98175, 98945, 109225, 134925, 144177, 152915, 212025, 240295, 296835, 327675, 336413, 458745, 494725, 720885, 764575, 1009239, 1201475, 1484175, 1682065, 2293725, 3604425, 5046195, 8410325, 25230975]

約数ペア:

[(1, 25230975), (3, 8410325), (5, 5046195), (7, 3604425), (11, 2293725), (15, 1682065), (17, 1484175), (21, 1201475), (25, 1009239), (33, 764575), (35, 720885), (51, 494725), (55, 458745), (75, 336413), (77, 327675), (85, 296835), (105, 240295), (119, 212025), (165, 152915), (175, 144177), (187, 134925), (231, 109225), (255, 98945), (257, 98175), (275, 91749), (357, 70675), (385, 65535), (425, 59367), (525, 48059), (561, 44975), (595, 42405), (771, 32725), (825, 30583), (935, 26985), (1155, 21845), (1275, 19789), (1285, 19635), (1309, 19275), (1785, 14135), (1799, 14025), (1925, 13107), (2805, 8995), (2827, 8925), (2975, 8481), (3855, 6545), (3927, 6425), (4369, 5775), (4675, 5397)]