199793464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 417947040

約数和(自身を除く): 218153576

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 67, 104, 106, 134, 212, 268, 424, 536, 541, 689, 871, 1082, 1378, 1742, 2164, 2756, 3484, 3551, 4328, 5512, 6968, 7033, 7102, 14066, 14204, 28132, 28408, 28673, 36247, 46163, 56264, 57346, 72494, 92326, 114692, 144988, 184652, 229384, 289976, 369304, 372749, 471211, 745498, 942422, 1490996, 1884844, 1921091, 2981992, 3769688, 3842182, 7684364, 15368728, 24974183, 49948366, 99896732, 199793464]

約数ペア:

[(1, 199793464), (2, 99896732), (4, 49948366), (8, 24974183), (13, 15368728), (26, 7684364), (52, 3842182), (53, 3769688), (67, 2981992), (104, 1921091), (106, 1884844), (134, 1490996), (212, 942422), (268, 745498), (424, 471211), (536, 372749), (541, 369304), (689, 289976), (871, 229384), (1082, 184652), (1378, 144988), (1742, 114692), (2164, 92326), (2756, 72494), (3484, 57346), (3551, 56264), (4328, 46163), (5512, 36247), (6968, 28673), (7033, 28408), (7102, 28132), (14066, 14204)]