78875251

素因数分解:

$7^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 36

約数和(自身を含む): 104589072

約数和(自身を除く): 25713821

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 343, 361, 637, 931, 1729, 2401, 2527, 4459, 4693, 6517, 12103, 16807, 17689, 31213, 32851, 45619, 84721, 123823, 218491, 229957, 319333, 593047, 866761, 1609699, 4151329, 6067327, 11267893, 78875251]

約数ペア:

[(1, 78875251), (7, 11267893), (13, 6067327), (19, 4151329), (49, 1609699), (91, 866761), (133, 593047), (247, 319333), (343, 229957), (361, 218491), (637, 123823), (931, 84721), (1729, 45619), (2401, 32851), (2527, 31213), (4459, 17689), (4693, 16807), (6517, 12103)]