1288891296553

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1\times {\mathrm{1787}}^1\times {\mathrm{1907}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 1497350043648

約数和(自身を除く): 208458747095

約数列:

[1, 7, 71, 497, 761, 1787, 1907, 5327, 12509, 13349, 54031, 126877, 135397, 378217, 888139, 947779, 1359907, 1451227, 3407809, 9519349, 10158589, 23854663, 96553397, 103037117, 241954439, 675873779, 721259819, 1693681073, 2593342649, 18153398543, 184127328079, 1288891296553]

約数ペア:

[(1, 1288891296553), (7, 184127328079), (71, 18153398543), (497, 2593342649), (761, 1693681073), (1787, 721259819), (1907, 675873779), (5327, 241954439), (12509, 103037117), (13349, 96553397), (54031, 23854663), (126877, 10158589), (135397, 9519349), (378217, 3407809), (888139, 1451227), (947779, 1359907)]