81302988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521173}}^1$

素因数の和:521193

約数の個数: 24

約数和(自身を含む): 204300208

約数和(自身を除く): 122997220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521173, 1042346, 1563519, 2084692, 3127038, 6254076, 6775249, 13550498, 20325747, 27100996, 40651494, 81302988]

約数ペア:

[(1, 81302988), (2, 40651494), (3, 27100996), (4, 20325747), (6, 13550498), (12, 6775249), (13, 6254076), (26, 3127038), (39, 2084692), (52, 1563519), (78, 1042346), (156, 521173)]