81643534

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 144515520

約数和(自身を除く): 62871986

約数列:

[1, 2, 7, 14, 37, 74, 259, 277, 518, 554, 569, 1138, 1939, 3878, 3983, 7966, 10249, 20498, 21053, 42106, 71743, 143486, 147371, 157613, 294742, 315226, 1103291, 2206582, 5831681, 11663362, 40821767, 81643534]

約数ペア:

[(1, 81643534), (2, 40821767), (7, 11663362), (14, 5831681), (37, 2206582), (74, 1103291), (259, 315226), (277, 294742), (518, 157613), (554, 147371), (569, 143486), (1138, 71743), (1939, 42106), (3878, 21053), (3983, 20498), (7966, 10249)]