156628381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 204565760

約数和(自身を除く): 47937379

約数列:

[1, 7, 13, 19, 91, 133, 157, 247, 577, 1099, 1729, 2041, 2983, 4039, 7501, 10963, 14287, 20881, 38779, 52507, 76741, 90589, 142519, 271453, 634123, 997633, 1177657, 1721191, 8243599, 12048337, 22375483, 156628381]

約数ペア:

[(1, 156628381), (7, 22375483), (13, 12048337), (19, 8243599), (91, 1721191), (133, 1177657), (157, 997633), (247, 634123), (577, 271453), (1099, 142519), (1729, 90589), (2041, 76741), (2983, 52507), (4039, 38779), (7501, 20881), (10963, 14287)]