25111912

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 57892050

約数和(自身を除く): 32780138

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 47, 49, 56, 58, 94, 98, 116, 188, 196, 203, 232, 329, 376, 392, 406, 658, 812, 1316, 1363, 1421, 1624, 2209, 2303, 2632, 2726, 2842, 4418, 4606, 5452, 5684, 8836, 9212, 9541, 10904, 11368, 15463, 17672, 18424, 19082, 30926, 38164, 61852, 64061, 66787, 76328, 108241, 123704, 128122, 133574, 216482, 256244, 267148, 432964, 448427, 512488, 534296, 865928, 896854, 1793708, 3138989, 3587416, 6277978, 12555956, 25111912]

約数ペア:

[(1, 25111912), (2, 12555956), (4, 6277978), (7, 3587416), (8, 3138989), (14, 1793708), (28, 896854), (29, 865928), (47, 534296), (49, 512488), (56, 448427), (58, 432964), (94, 267148), (98, 256244), (116, 216482), (188, 133574), (196, 128122), (203, 123704), (232, 108241), (329, 76328), (376, 66787), (392, 64061), (406, 61852), (658, 38164), (812, 30926), (1316, 19082), (1363, 18424), (1421, 17672), (1624, 15463), (2209, 11368), (2303, 10904), (2632, 9541), (2726, 9212), (2842, 8836), (4418, 5684), (4606, 5452)]