161888210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 328333824

約数和(自身を除く): 166445614

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 173, 181, 235, 346, 362, 470, 517, 865, 905, 1034, 1730, 1810, 1903, 1991, 2585, 3806, 3982, 5170, 8131, 8507, 9515, 9955, 16262, 17014, 19030, 19910, 31313, 40655, 42535, 62626, 81310, 85070, 89441, 93577, 156565, 178882, 187154, 313130, 344443, 447205, 467885, 688886, 894410, 935770, 1471711, 1722215, 2943422, 3444430, 7358555, 14717110, 16188821, 32377642, 80944105, 161888210]

約数ペア:

[(1, 161888210), (2, 80944105), (5, 32377642), (10, 16188821), (11, 14717110), (22, 7358555), (47, 3444430), (55, 2943422), (94, 1722215), (110, 1471711), (173, 935770), (181, 894410), (235, 688886), (346, 467885), (362, 447205), (470, 344443), (517, 313130), (865, 187154), (905, 178882), (1034, 156565), (1730, 93577), (1810, 89441), (1903, 85070), (1991, 81310), (2585, 62626), (3806, 42535), (3982, 40655), (5170, 31313), (8131, 19910), (8507, 19030), (9515, 17014), (9955, 16262)]