81855642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 184011264

約数和(自身を除く): 102155622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 107, 134, 173, 201, 214, 321, 346, 402, 519, 642, 737, 1038, 1177, 1474, 1903, 2211, 2354, 3531, 3806, 4422, 5709, 7062, 7169, 11418, 11591, 14338, 18511, 21507, 23182, 34773, 37022, 43014, 55533, 69546, 78859, 111066, 127501, 157718, 203621, 236577, 255002, 382503, 407242, 473154, 610863, 765006, 1221726, 1240237, 2480474, 3720711, 7441422, 13642607, 27285214, 40927821, 81855642]

約数ペア:

[(1, 81855642), (2, 40927821), (3, 27285214), (6, 13642607), (11, 7441422), (22, 3720711), (33, 2480474), (66, 1240237), (67, 1221726), (107, 765006), (134, 610863), (173, 473154), (201, 407242), (214, 382503), (321, 255002), (346, 236577), (402, 203621), (519, 157718), (642, 127501), (737, 111066), (1038, 78859), (1177, 69546), (1474, 55533), (1903, 43014), (2211, 37022), (2354, 34773), (3531, 23182), (3806, 21507), (4422, 18511), (5709, 14338), (7062, 11591), (7169, 11418)]