231561505

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 349045200

約数和(自身を除く): 117483695

約数列:

[1, 5, 7, 17, 35, 49, 53, 85, 119, 245, 265, 371, 595, 833, 901, 1049, 1855, 2597, 4165, 4505, 5245, 6307, 7343, 12985, 17833, 31535, 36715, 44149, 51401, 55597, 89165, 124831, 220745, 257005, 277985, 389179, 624155, 873817, 945149, 1945895, 2724253, 4369085, 4725745, 6616043, 13621265, 33080215, 46312301, 231561505]

約数ペア:

[(1, 231561505), (5, 46312301), (7, 33080215), (17, 13621265), (35, 6616043), (49, 4725745), (53, 4369085), (85, 2724253), (119, 1945895), (245, 945149), (265, 873817), (371, 624155), (595, 389179), (833, 277985), (901, 257005), (1049, 220745), (1855, 124831), (2597, 89165), (4165, 55597), (4505, 51401), (5245, 44149), (6307, 36715), (7343, 31535), (12985, 17833)]