31800470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244619}}^1$

素因数の和:244639

約数の個数: 16

約数和(自身を含む): 61644240

約数和(自身を除く): 29843770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244619, 489238, 1223095, 2446190, 3180047, 6360094, 15900235, 31800470]

約数ペア:

[(1, 31800470), (2, 15900235), (5, 6360094), (10, 3180047), (13, 2446190), (26, 1223095), (65, 489238), (130, 244619)]