71821988

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{14827}}^1$

素因数の和:15011

約数の個数: 24

約数和(自身を含む): 144484032

約数和(自身を除く): 72662044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 14827, 29654, 59308, 103789, 207578, 415156, 2565071, 5130142, 10260284, 17955497, 35910994, 71821988]

約数ペア:

[(1, 71821988), (2, 35910994), (4, 17955497), (7, 10260284), (14, 5130142), (28, 2565071), (173, 415156), (346, 207578), (692, 103789), (1211, 59308), (2422, 29654), (4844, 14827)]