16648730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 35495496

約数和(自身を除く): 18846766

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 557, 610, 854, 1114, 2135, 2785, 2989, 3899, 4270, 5570, 5978, 7798, 14945, 19495, 27293, 29890, 33977, 38990, 54586, 67954, 136465, 169885, 237839, 272930, 339770, 475678, 1189195, 1664873, 2378390, 3329746, 8324365, 16648730]

約数ペア:

[(1, 16648730), (2, 8324365), (5, 3329746), (7, 2378390), (10, 1664873), (14, 1189195), (35, 475678), (49, 339770), (61, 272930), (70, 237839), (98, 169885), (122, 136465), (245, 67954), (305, 54586), (427, 38990), (490, 33977), (557, 29890), (610, 27293), (854, 19495), (1114, 14945), (2135, 7798), (2785, 5978), (2989, 5570), (3899, 4270)]