1389594530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1\times {\mathrm{2689}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 2584465920

約数和(自身を除く): 1194871390

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1667, 2689, 3334, 5378, 8335, 13445, 16670, 26890, 51677, 83359, 103354, 166718, 258385, 416795, 516770, 833590, 4482563, 8965126, 22412815, 44825630, 138959453, 277918906, 694797265, 1389594530]

約数ペア:

[(1, 1389594530), (2, 694797265), (5, 277918906), (10, 138959453), (31, 44825630), (62, 22412815), (155, 8965126), (310, 4482563), (1667, 833590), (2689, 516770), (3334, 416795), (5378, 258385), (8335, 166718), (13445, 103354), (16670, 83359), (26890, 51677)]