209790828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3967}}^1$

素因数の和:4103

約数の個数: 72

約数和(自身を含む): 576296448

約数和(自身を除く): 366505620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 452, 468, 678, 1017, 1356, 1469, 2034, 2938, 3967, 4068, 4407, 5876, 7934, 8814, 11901, 13221, 15868, 17628, 23802, 26442, 35703, 47604, 51571, 52884, 71406, 103142, 142812, 154713, 206284, 309426, 448271, 464139, 618852, 896542, 928278, 1344813, 1793084, 1856556, 2689626, 4034439, 5379252, 5827523, 8068878, 11655046, 16137756, 17482569, 23310092, 34965138, 52447707, 69930276, 104895414, 209790828]

約数ペア:

[(1, 209790828), (2, 104895414), (3, 69930276), (4, 52447707), (6, 34965138), (9, 23310092), (12, 17482569), (13, 16137756), (18, 11655046), (26, 8068878), (36, 5827523), (39, 5379252), (52, 4034439), (78, 2689626), (113, 1856556), (117, 1793084), (156, 1344813), (226, 928278), (234, 896542), (339, 618852), (452, 464139), (468, 448271), (678, 309426), (1017, 206284), (1356, 154713), (1469, 142812), (2034, 103142), (2938, 71406), (3967, 52884), (4068, 51571), (4407, 47604), (5876, 35703), (7934, 26442), (8814, 23802), (11901, 17628), (13221, 15868)]