25148865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 49614336

約数和(自身を除く): 24465471

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 73, 85, 105, 119, 193, 219, 255, 357, 365, 511, 579, 595, 965, 1095, 1241, 1351, 1533, 1785, 2555, 2895, 3281, 3723, 4053, 6205, 6755, 7665, 8687, 9843, 14089, 16405, 18615, 20265, 22967, 26061, 42267, 43435, 49215, 68901, 70445, 98623, 114835, 130305, 211335, 239513, 295869, 344505, 493115, 718539, 1197565, 1479345, 1676591, 3592695, 5029773, 8382955, 25148865]

約数ペア:

[(1, 25148865), (3, 8382955), (5, 5029773), (7, 3592695), (15, 1676591), (17, 1479345), (21, 1197565), (35, 718539), (51, 493115), (73, 344505), (85, 295869), (105, 239513), (119, 211335), (193, 130305), (219, 114835), (255, 98623), (357, 70445), (365, 68901), (511, 49215), (579, 43435), (595, 42267), (965, 26061), (1095, 22967), (1241, 20265), (1351, 18615), (1533, 16405), (1785, 14089), (2555, 9843), (2895, 8687), (3281, 7665), (3723, 6755), (4053, 6205)]