203804965

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 311698800

約数和(自身を除く): 107893835

約数列:

[1, 5, 7, 13, 35, 49, 61, 65, 91, 245, 305, 427, 455, 637, 793, 1049, 2135, 2989, 3185, 3965, 5245, 5551, 7343, 13637, 14945, 27755, 36715, 38857, 51401, 63989, 68185, 95459, 194285, 257005, 319945, 447923, 477295, 668213, 831857, 2239615, 3135461, 3341065, 4159285, 5822999, 15677305, 29114995, 40760993, 203804965]

約数ペア:

[(1, 203804965), (5, 40760993), (7, 29114995), (13, 15677305), (35, 5822999), (49, 4159285), (61, 3341065), (65, 3135461), (91, 2239615), (245, 831857), (305, 668213), (427, 477295), (455, 447923), (637, 319945), (793, 257005), (1049, 194285), (2135, 95459), (2989, 68185), (3185, 63989), (3965, 51401), (5245, 38857), (5551, 36715), (7343, 27755), (13637, 14945)]