81461954

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 143824896

約数和(自身を除く): 62362942

約数列:

[1, 2, 7, 14, 53, 101, 106, 202, 371, 707, 742, 1087, 1414, 2174, 5353, 7609, 10706, 15218, 37471, 57611, 74942, 109787, 115222, 219574, 403277, 768509, 806554, 1537018, 5818711, 11637422, 40730977, 81461954]

約数ペア:

[(1, 81461954), (2, 40730977), (7, 11637422), (14, 5818711), (53, 1537018), (101, 806554), (106, 768509), (202, 403277), (371, 219574), (707, 115222), (742, 109787), (1087, 74942), (1414, 57611), (2174, 37471), (5353, 15218), (7609, 10706)]