28017912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 76356000

約数和(自身を除く): 48338088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 712, 1009, 1068, 1157, 2018, 2136, 2314, 3027, 3471, 4036, 4628, 6054, 6942, 8072, 9256, 12108, 13117, 13884, 24216, 26234, 27768, 39351, 52468, 78702, 89801, 104936, 157404, 179602, 269403, 314808, 359204, 538806, 718408, 1077612, 1167413, 2155224, 2334826, 3502239, 4669652, 7004478, 9339304, 14008956, 28017912]

約数ペア:

[(1, 28017912), (2, 14008956), (3, 9339304), (4, 7004478), (6, 4669652), (8, 3502239), (12, 2334826), (13, 2155224), (24, 1167413), (26, 1077612), (39, 718408), (52, 538806), (78, 359204), (89, 314808), (104, 269403), (156, 179602), (178, 157404), (267, 104936), (312, 89801), (356, 78702), (534, 52468), (712, 39351), (1009, 27768), (1068, 26234), (1157, 24216), (2018, 13884), (2136, 13117), (2314, 12108), (3027, 9256), (3471, 8072), (4036, 6942), (4628, 6054)]