78442938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{207521}}^1$

素因数の和:207539

約数の個数: 32

約数和(自身を含む): 199221120

約数和(自身を除く): 120778182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 207521, 415042, 622563, 1245126, 1452647, 1867689, 2905294, 3735378, 4357941, 5603067, 8715882, 11206134, 13073823, 26147646, 39221469, 78442938]

約数ペア:

[(1, 78442938), (2, 39221469), (3, 26147646), (6, 13073823), (7, 11206134), (9, 8715882), (14, 5603067), (18, 4357941), (21, 3735378), (27, 2905294), (42, 1867689), (54, 1452647), (63, 1245126), (126, 622563), (189, 415042), (378, 207521)]