198205329

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 140206191

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 101, 119, 161, 239, 303, 357, 391, 483, 707, 717, 1173, 1673, 1717, 2121, 2323, 2737, 4063, 5019, 5151, 5497, 6969, 8211, 12019, 12189, 16261, 16491, 24139, 28441, 36057, 38479, 39491, 48783, 72417, 85323, 93449, 115437, 118473, 168973, 276437, 280347, 410363, 506919, 555197, 654143, 829311, 1231089, 1665591, 1962429, 2872541, 3886379, 8617623, 9438349, 11659137, 28315047, 66068443, 198205329]

約数ペア:

[(1, 198205329), (3, 66068443), (7, 28315047), (17, 11659137), (21, 9438349), (23, 8617623), (51, 3886379), (69, 2872541), (101, 1962429), (119, 1665591), (161, 1231089), (239, 829311), (303, 654143), (357, 555197), (391, 506919), (483, 410363), (707, 280347), (717, 276437), (1173, 168973), (1673, 118473), (1717, 115437), (2121, 93449), (2323, 85323), (2737, 72417), (4063, 48783), (5019, 39491), (5151, 38479), (5497, 36057), (6969, 28441), (8211, 24139), (12019, 16491), (12189, 16261)]