258978874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 506787840

約数和(自身を除く): 247808966

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 103, 154, 203, 206, 319, 406, 563, 638, 721, 1126, 1133, 1442, 2233, 2266, 2987, 3941, 4466, 5974, 6193, 7882, 7931, 12386, 15862, 16327, 20909, 32654, 32857, 41818, 43351, 57989, 65714, 86702, 114289, 115978, 179597, 228578, 229999, 359194, 405923, 459998, 637879, 811846, 1257179, 1275758, 1681681, 2514358, 3363362, 4465153, 8930306, 11771767, 18498491, 23543534, 36996982, 129489437, 258978874]

約数ペア:

[(1, 258978874), (2, 129489437), (7, 36996982), (11, 23543534), (14, 18498491), (22, 11771767), (29, 8930306), (58, 4465153), (77, 3363362), (103, 2514358), (154, 1681681), (203, 1275758), (206, 1257179), (319, 811846), (406, 637879), (563, 459998), (638, 405923), (721, 359194), (1126, 229999), (1133, 228578), (1442, 179597), (2233, 115978), (2266, 114289), (2987, 86702), (3941, 65714), (4466, 57989), (5974, 43351), (6193, 41818), (7882, 32857), (7931, 32654), (12386, 20909), (15862, 16327)]