25198845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 26226435

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 595, 665, 743, 969, 1615, 1785, 1995, 2229, 2261, 3715, 4845, 5201, 6783, 11145, 11305, 12631, 14117, 15603, 26005, 33915, 37893, 42351, 63155, 70585, 78015, 88417, 98819, 189465, 211755, 239989, 265251, 296457, 442085, 494095, 719967, 1199945, 1326255, 1482285, 1679923, 3599835, 5039769, 8399615, 25198845]

約数ペア:

[(1, 25198845), (3, 8399615), (5, 5039769), (7, 3599835), (15, 1679923), (17, 1482285), (19, 1326255), (21, 1199945), (35, 719967), (51, 494095), (57, 442085), (85, 296457), (95, 265251), (105, 239989), (119, 211755), (133, 189465), (255, 98819), (285, 88417), (323, 78015), (357, 70585), (399, 63155), (595, 42351), (665, 37893), (743, 33915), (969, 26005), (1615, 15603), (1785, 14117), (1995, 12631), (2229, 11305), (2261, 11145), (3715, 6783), (4845, 5201)]