201680478

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{12547}}^1$

素因数の和:12621

約数の個数: 48

約数和(自身を含む): 469797120

約数和(自身を除く): 268116642

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 47, 57, 94, 114, 141, 171, 282, 342, 423, 846, 893, 1786, 2679, 5358, 8037, 12547, 16074, 25094, 37641, 75282, 112923, 225846, 238393, 476786, 589709, 715179, 1179418, 1430358, 1769127, 2145537, 3538254, 4291074, 5307381, 10614762, 11204471, 22408942, 33613413, 67226826, 100840239, 201680478]

約数ペア:

[(1, 201680478), (2, 100840239), (3, 67226826), (6, 33613413), (9, 22408942), (18, 11204471), (19, 10614762), (38, 5307381), (47, 4291074), (57, 3538254), (94, 2145537), (114, 1769127), (141, 1430358), (171, 1179418), (282, 715179), (342, 589709), (423, 476786), (846, 238393), (893, 225846), (1786, 112923), (2679, 75282), (5358, 37641), (8037, 25094), (12547, 16074)]