1988045409

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{11173}}^1$

素因数の和:11449

約数の個数: 32

約数和(自身を含む): 3125144320

約数和(自身を除く): 1137098911

約数列:

[1, 3, 7, 21, 37, 111, 229, 259, 687, 777, 1603, 4809, 8473, 11173, 25419, 33519, 59311, 78211, 177933, 234633, 413401, 1240203, 2558617, 2893807, 7675851, 8681421, 17910319, 53730957, 94668829, 284006487, 662681803, 1988045409]

約数ペア:

[(1, 1988045409), (3, 662681803), (7, 284006487), (21, 94668829), (37, 53730957), (111, 17910319), (229, 8681421), (259, 7675851), (687, 2893807), (777, 2558617), (1603, 1240203), (4809, 413401), (8473, 234633), (11173, 177933), (25419, 78211), (33519, 59311)]