219932014

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 345945600

約数和(自身を除く): 126013586

約数列:

[1, 2, 43, 71, 86, 142, 181, 199, 362, 398, 3053, 6106, 7783, 8557, 12851, 14129, 15566, 17114, 25702, 28258, 36019, 72038, 552593, 607547, 1105186, 1215094, 1548817, 2557349, 3097634, 5114698, 109966007, 219932014]

約数ペア:

[(1, 219932014), (2, 109966007), (43, 5114698), (71, 3097634), (86, 2557349), (142, 1548817), (181, 1215094), (199, 1105186), (362, 607547), (398, 552593), (3053, 72038), (6106, 36019), (7783, 28258), (8557, 25702), (12851, 17114), (14129, 15566)]