6394990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 13855104

約数和(自身を除く): 7460114

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 421, 434, 490, 842, 1085, 1519, 2105, 2170, 2947, 3038, 4210, 5894, 7595, 13051, 14735, 15190, 20629, 26102, 29470, 41258, 65255, 91357, 103145, 130510, 182714, 206290, 456785, 639499, 913570, 1278998, 3197495, 6394990]

約数ペア:

[(1, 6394990), (2, 3197495), (5, 1278998), (7, 913570), (10, 639499), (14, 456785), (31, 206290), (35, 182714), (49, 130510), (62, 103145), (70, 91357), (98, 65255), (155, 41258), (217, 29470), (245, 26102), (310, 20629), (421, 15190), (434, 14735), (490, 13051), (842, 7595), (1085, 5894), (1519, 4210), (2105, 3038), (2170, 2947)]