248889225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 444957632

約数和(自身を除く): 196068407

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 397, 643, 975, 1191, 1929, 1985, 3215, 5161, 5955, 8359, 9645, 9925, 15483, 16075, 25077, 25805, 29775, 41795, 48225, 77415, 125385, 129025, 208975, 255271, 387075, 626925, 765813, 1276355, 3318523, 3829065, 6381775, 9955569, 16592615, 19145325, 49777845, 82963075, 248889225]

約数ペア:

[(1, 248889225), (3, 82963075), (5, 49777845), (13, 19145325), (15, 16592615), (25, 9955569), (39, 6381775), (65, 3829065), (75, 3318523), (195, 1276355), (325, 765813), (397, 626925), (643, 387075), (975, 255271), (1191, 208975), (1929, 129025), (1985, 125385), (3215, 77415), (5161, 48225), (5955, 41795), (8359, 29775), (9645, 25805), (9925, 25077), (15483, 16075)]