245688145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 323222400

約数和(自身を除く): 77534255

約数列:

[1, 5, 19, 29, 95, 145, 257, 347, 551, 1285, 1735, 2755, 4883, 6593, 7453, 10063, 24415, 32965, 37265, 50315, 89179, 141607, 191197, 445895, 708035, 955985, 1694401, 2586191, 8472005, 12930955, 49137629, 245688145]

約数ペア:

[(1, 245688145), (5, 49137629), (19, 12930955), (29, 8472005), (95, 2586191), (145, 1694401), (257, 955985), (347, 708035), (551, 445895), (1285, 191197), (1735, 141607), (2755, 89179), (4883, 50315), (6593, 37265), (7453, 32965), (10063, 24415)]