25221693

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 18572739

約数列:

[1, 3, 7, 17, 21, 31, 43, 51, 53, 93, 119, 129, 159, 217, 301, 357, 371, 527, 651, 731, 901, 903, 1113, 1333, 1581, 1643, 2193, 2279, 2703, 3689, 3999, 4929, 5117, 6307, 6837, 9331, 11067, 11501, 15351, 15953, 18921, 22661, 27931, 27993, 34503, 38743, 47859, 67983, 70649, 83793, 116229, 158627, 195517, 211947, 271201, 475881, 494543, 586551, 813603, 1201033, 1483629, 3603099, 8407231, 25221693]

約数ペア:

[(1, 25221693), (3, 8407231), (7, 3603099), (17, 1483629), (21, 1201033), (31, 813603), (43, 586551), (51, 494543), (53, 475881), (93, 271201), (119, 211947), (129, 195517), (159, 158627), (217, 116229), (301, 83793), (357, 70649), (371, 67983), (527, 47859), (651, 38743), (731, 34503), (901, 27993), (903, 27931), (1113, 22661), (1333, 18921), (1581, 15953), (1643, 15351), (2193, 11501), (2279, 11067), (2703, 9331), (3689, 6837), (3999, 6307), (4929, 5117)]