81631916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1949}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 147310800

約数和(自身を除く): 65678884

約数列:

[1, 2, 4, 37, 74, 148, 283, 566, 1132, 1949, 3898, 7796, 10471, 20942, 41884, 72113, 144226, 288452, 551567, 1103134, 2206268, 20407979, 40815958, 81631916]

約数ペア:

[(1, 81631916), (2, 40815958), (4, 20407979), (37, 2206268), (74, 1103134), (148, 551567), (283, 288452), (566, 144226), (1132, 72113), (1949, 41884), (3898, 20942), (7796, 10471)]