638752146

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{13309}}^1$

素因数の和:13754

約数の個数: 32

約数和(自身を含む): 1348036800

約数和(自身を除く): 709284654

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 421, 842, 1263, 2526, 7999, 13309, 15998, 23997, 26618, 39927, 47994, 79854, 252871, 505742, 758613, 1517226, 5603089, 11206178, 16809267, 33618534, 106458691, 212917382, 319376073, 638752146]

約数ペア:

[(1, 638752146), (2, 319376073), (3, 212917382), (6, 106458691), (19, 33618534), (38, 16809267), (57, 11206178), (114, 5603089), (421, 1517226), (842, 758613), (1263, 505742), (2526, 252871), (7999, 79854), (13309, 47994), (15998, 39927), (23997, 26618)]