1338890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 2847744

約数和(自身を除く): 1508854

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 617, 1085, 1234, 2170, 3085, 4319, 6170, 8638, 19127, 21595, 38254, 43190, 95635, 133889, 191270, 267778, 669445, 1338890]

約数ペア:

[(1, 1338890), (2, 669445), (5, 267778), (7, 191270), (10, 133889), (14, 95635), (31, 43190), (35, 38254), (62, 21595), (70, 19127), (155, 8638), (217, 6170), (310, 4319), (434, 3085), (617, 2170), (1085, 1234)]