31117996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 68330304

約数和(自身を除く): 37212308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 1613, 2756, 3226, 4823, 6452, 9646, 11291, 19292, 20969, 22582, 41938, 45164, 83876, 85489, 146783, 170978, 293566, 341956, 587132, 598423, 1111357, 1196846, 2222714, 2393692, 4445428, 7779499, 15558998, 31117996]

約数ペア:

[(1, 31117996), (2, 15558998), (4, 7779499), (7, 4445428), (13, 2393692), (14, 2222714), (26, 1196846), (28, 1111357), (52, 598423), (53, 587132), (91, 341956), (106, 293566), (182, 170978), (212, 146783), (364, 85489), (371, 83876), (689, 45164), (742, 41938), (1378, 22582), (1484, 20969), (1613, 19292), (2756, 11291), (3226, 9646), (4823, 6452)]