201078938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 324475200

約数和(自身を除く): 123396262

約数列:

[1, 2, 19, 38, 73, 146, 173, 346, 419, 838, 1387, 2774, 3287, 6574, 7961, 12629, 15922, 25258, 30587, 61174, 72487, 144974, 239951, 479902, 581153, 1162306, 1377253, 2754506, 5291551, 10583102, 100539469, 201078938]

約数ペア:

[(1, 201078938), (2, 100539469), (19, 10583102), (38, 5291551), (73, 2754506), (146, 1377253), (173, 1162306), (346, 581153), (419, 479902), (838, 239951), (1387, 144974), (2774, 72487), (3287, 61174), (6574, 30587), (7961, 25258), (12629, 15922)]