1390304898

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{451691}}^1$

素因数の和:451724

約数の個数: 40

約数和(自身を含む): 3279283920

約数和(自身を除く): 1888979022

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 451691, 903382, 1355073, 2710146, 4065219, 8130438, 8582129, 12195657, 17164258, 24391314, 25746387, 36586971, 51492774, 73173942, 77239161, 154478322, 231717483, 463434966, 695152449, 1390304898]

約数ペア:

[(1, 1390304898), (2, 695152449), (3, 463434966), (6, 231717483), (9, 154478322), (18, 77239161), (19, 73173942), (27, 51492774), (38, 36586971), (54, 25746387), (57, 24391314), (81, 17164258), (114, 12195657), (162, 8582129), (171, 8130438), (342, 4065219), (513, 2710146), (1026, 1355073), (1539, 903382), (3078, 451691)]