165877439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 210276864

約数和(自身を除く): 44399425

約数列:

[1, 7, 13, 53, 91, 163, 211, 371, 689, 1141, 1477, 2119, 2743, 4823, 8639, 11183, 14833, 19201, 34393, 60473, 78281, 112307, 145379, 240751, 447109, 786149, 1017653, 1822829, 3129763, 12759803, 23696777, 165877439]

約数ペア:

[(1, 165877439), (7, 23696777), (13, 12759803), (53, 3129763), (91, 1822829), (163, 1017653), (211, 786149), (371, 447109), (689, 240751), (1141, 145379), (1477, 112307), (2119, 78281), (2743, 60473), (4823, 34393), (8639, 19201), (11183, 14833)]