161927172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{887}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 447999552

約数和(自身を除く): 286072380

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 461, 887, 922, 1383, 1774, 1844, 2661, 2766, 3548, 4149, 5071, 5322, 5532, 7983, 8298, 9757, 10142, 10644, 15213, 15966, 16596, 19514, 20284, 29271, 30426, 31932, 39028, 45639, 58542, 60852, 87813, 91278, 117084, 175626, 182556, 351252, 408907, 817814, 1226721, 1635628, 2453442, 3680163, 4497977, 4906884, 7360326, 8995954, 13493931, 14720652, 17991908, 26987862, 40481793, 53975724, 80963586, 161927172]

約数ペア:

[(1, 161927172), (2, 80963586), (3, 53975724), (4, 40481793), (6, 26987862), (9, 17991908), (11, 14720652), (12, 13493931), (18, 8995954), (22, 7360326), (33, 4906884), (36, 4497977), (44, 3680163), (66, 2453442), (99, 1635628), (132, 1226721), (198, 817814), (396, 408907), (461, 351252), (887, 182556), (922, 175626), (1383, 117084), (1774, 91278), (1844, 87813), (2661, 60852), (2766, 58542), (3548, 45639), (4149, 39028), (5071, 31932), (5322, 30426), (5532, 29271), (7983, 20284), (8298, 19514), (9757, 16596), (10142, 15966), (10644, 15213)]