1605890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 3398976

約数和(自身を除く): 1793086

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1123, 1430, 2246, 5615, 11230, 12353, 14599, 24706, 29198, 61765, 72995, 123530, 145990, 160589, 321178, 802945, 1605890]

約数ペア:

[(1, 1605890), (2, 802945), (5, 321178), (10, 160589), (11, 145990), (13, 123530), (22, 72995), (26, 61765), (55, 29198), (65, 24706), (110, 14599), (130, 12353), (143, 11230), (286, 5615), (715, 2246), (1123, 1430)]