1387290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 3364416

約数和(自身を除く): 1977126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 353, 393, 655, 706, 786, 1059, 1310, 1765, 1965, 2118, 3530, 3930, 5295, 10590, 46243, 92486, 138729, 231215, 277458, 462430, 693645, 1387290]

約数ペア:

[(1, 1387290), (2, 693645), (3, 462430), (5, 277458), (6, 231215), (10, 138729), (15, 92486), (30, 46243), (131, 10590), (262, 5295), (353, 3930), (393, 3530), (655, 2118), (706, 1965), (786, 1765), (1059, 1310)]