199902538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 335549952

約数和(自身を除く): 135647414

約数列:

[1, 2, 11, 22, 53, 106, 173, 346, 583, 991, 1166, 1903, 1982, 3806, 9169, 10901, 18338, 21802, 52523, 100859, 105046, 171443, 201718, 342886, 577753, 1155506, 1885873, 3771746, 9086479, 18172958, 99951269, 199902538]

約数ペア:

[(1, 199902538), (2, 99951269), (11, 18172958), (22, 9086479), (53, 3771746), (106, 1885873), (173, 1155506), (346, 577753), (583, 342886), (991, 201718), (1166, 171443), (1903, 105046), (1982, 100859), (3806, 52523), (9169, 21802), (10901, 18338)]