218483172

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 575999424

約数和(自身を除く): 357516252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 2279, 2663, 4558, 5326, 6837, 7989, 9116, 10652, 13674, 15978, 20511, 23967, 27348, 31956, 41022, 47934, 82044, 95868, 114509, 141139, 229018, 282278, 343527, 423417, 458036, 564556, 687054, 846834, 1030581, 1270251, 1374108, 1693668, 2061162, 2540502, 4122324, 5081004, 6068977, 12137954, 18206931, 24275908, 36413862, 54620793, 72827724, 109241586, 218483172]

約数ペア:

[(1, 218483172), (2, 109241586), (3, 72827724), (4, 54620793), (6, 36413862), (9, 24275908), (12, 18206931), (18, 12137954), (36, 6068977), (43, 5081004), (53, 4122324), (86, 2540502), (106, 2061162), (129, 1693668), (159, 1374108), (172, 1270251), (212, 1030581), (258, 846834), (318, 687054), (387, 564556), (477, 458036), (516, 423417), (636, 343527), (774, 282278), (954, 229018), (1548, 141139), (1908, 114509), (2279, 95868), (2663, 82044), (4558, 47934), (5326, 41022), (6837, 31956), (7989, 27348), (9116, 23967), (10652, 20511), (13674, 15978)]