198550784

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 414425088

約数和(自身を除く): 215874304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 197, 248, 254, 256, 394, 496, 508, 788, 992, 1016, 1576, 1984, 2032, 3152, 3937, 3968, 4064, 6107, 6304, 7874, 7936, 8128, 12214, 12608, 15748, 16256, 24428, 25019, 25216, 31496, 32512, 48856, 50038, 50432, 62992, 97712, 100076, 125984, 195424, 200152, 251968, 390848, 400304, 503936, 775589, 781696, 800608, 1007872, 1551178, 1563392, 1601216, 3102356, 3202432, 6204712, 6404864, 12409424, 24818848, 49637696, 99275392, 198550784]

約数ペア:

[(1, 198550784), (2, 99275392), (4, 49637696), (8, 24818848), (16, 12409424), (31, 6404864), (32, 6204712), (62, 3202432), (64, 3102356), (124, 1601216), (127, 1563392), (128, 1551178), (197, 1007872), (248, 800608), (254, 781696), (256, 775589), (394, 503936), (496, 400304), (508, 390848), (788, 251968), (992, 200152), (1016, 195424), (1576, 125984), (1984, 100076), (2032, 97712), (3152, 62992), (3937, 50432), (3968, 50038), (4064, 48856), (6107, 32512), (6304, 31496), (7874, 25216), (7936, 25019), (8128, 24428), (12214, 16256), (12608, 15748)]