181020728

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{44281}}^1$

素因数の和:44367

約数の個数: 32

約数和(自身を含む): 393224160

約数和(自身を除く): 212203432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 44281, 88562, 177124, 309967, 354248, 619934, 1239868, 2479736, 3232513, 6465026, 12930052, 22627591, 25860104, 45255182, 90510364, 181020728]

約数ペア:

[(1, 181020728), (2, 90510364), (4, 45255182), (7, 25860104), (8, 22627591), (14, 12930052), (28, 6465026), (56, 3232513), (73, 2479736), (146, 1239868), (292, 619934), (511, 354248), (584, 309967), (1022, 177124), (2044, 88562), (4088, 44281)]