1388530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 2939328

約数和(自身を除く): 1550798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 971, 1430, 1942, 4855, 9710, 10681, 12623, 21362, 25246, 53405, 63115, 106810, 126230, 138853, 277706, 694265, 1388530]

約数ペア:

[(1, 1388530), (2, 694265), (5, 277706), (10, 138853), (11, 126230), (13, 106810), (22, 63115), (26, 53405), (55, 25246), (65, 21362), (110, 12623), (130, 10681), (143, 9710), (286, 4855), (715, 1942), (971, 1430)]