31290036

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 79881984

約数和(自身を除く): 48591948

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 233, 361, 372, 466, 589, 699, 722, 932, 1083, 1178, 1398, 1444, 1767, 2166, 2356, 2796, 3534, 4332, 4427, 7068, 7223, 8854, 11191, 13281, 14446, 17708, 21669, 22382, 26562, 28892, 33573, 43338, 44764, 53124, 67146, 84113, 86676, 134292, 137237, 168226, 252339, 274474, 336452, 411711, 504678, 548948, 823422, 1009356, 1646844, 2607503, 5215006, 7822509, 10430012, 15645018, 31290036]

約数ペア:

[(1, 31290036), (2, 15645018), (3, 10430012), (4, 7822509), (6, 5215006), (12, 2607503), (19, 1646844), (31, 1009356), (38, 823422), (57, 548948), (62, 504678), (76, 411711), (93, 336452), (114, 274474), (124, 252339), (186, 168226), (228, 137237), (233, 134292), (361, 86676), (372, 84113), (466, 67146), (589, 53124), (699, 44764), (722, 43338), (932, 33573), (1083, 28892), (1178, 26562), (1398, 22382), (1444, 21669), (1767, 17708), (2166, 14446), (2356, 13281), (2796, 11191), (3534, 8854), (4332, 7223), (4427, 7068)]